Choose one sentence that has the same meaning as the root one:
It was alleged that the accused had committed fraud.
A. The accused is alleged to commit fraud. 
B. The accused was alleged to commit fraud.
C. The accused is alleged to have committed fraud.
D. The accused was alleged to have committed fraud.

Choose one sentence that has the same meaning as the root one:
Nothing but the whole story would satisfy Tim.
A. On the whole, Tim was satisfied with the story.
B. Tim wouldn't be satisfied with anything.
C. Tim wanted to know just the end of the story.
D. Tim insisted on being told the complete story.

Choose one sentence that has the closest meaning to the root one:
They decided to go for a picnic though it was very cold.
A. Because it was very cold, they decided to go for a picnic.
B. However cold it was, they decided to go for a picnic.
C. If it had been cold, they would not have gone for a picnic.
D. It was very cold so they decided to go for a picnic.

Choose one sentence that has the same meaning as the root one:
You will have to pay at least 100 pounds to get this camera.
A. You’ll be impossible to get this camera for less than 100 pounds.
B. You’ll find it impossible to get this camera for less than 100 pounds.
C. You’ll be impossible to get this camera less than 100 pounds.
D.  You’ll have to be paid at least 100 pounds to get this camera.

Choose one sentence that has the same meaning as the root one:
Your refusal to attend the party made everyone sad.
A. Everyone felt sad attending the party.
B. Everyone felt sad when you refused to attend the party.
C. Your attendance at the party made everyone feel sad.
D. You made everyone sad about your refusal to throw the party.

Choose one sentence that has the same meaning to the root one:
I haven’t read books since last week.
A. I last read books since last week
B. I last read books last week
C. I read books last week.
D. I didn’t read books a week ago.

Choose one sentence that has the same meaning as the root one:
It’s a pity that you didn’t tell us about this.
A. I wish you told us about this.
B. I wish you would tell us about this. 
C. I wish you had told us about this. 
D. I wish you have told us about this.

Choose one sentence that has the same meaning as the root one:
I should have studied last night, but I was too tired.
A. I couldn’t study last night because I was very tired.
B. I studied last night because I was bored.
C. I studied last night because I had to.
D. I tried to study last night, but the homework was too hard.

Choose one sentence that has the same meaning as the root one:
He last had his eyes tested ten months ago.
A. He has not had his eyes tested for ten months.
B. He had tested his eyes ten months before.
C. He had not tested his eyes for ten months then.
D.  He didn’t have any tests on his eyes in ten months.

Cho tứ diện $ABCD$ có$AC=AD$ và$BC=BD$. Gọi$I$ là trung điểm của$CD$. Khẳng định nào sau đây sai?
A. Góc giữa hai mặt phẳng $\left( ABC \right)$ và$\left( ABD \right)$ là$\widehat{CBD}$.
B. Góc giữa hai mặt phẳng $\left( ACD \right)$ và$\left( BCD \right)$ là$\widehat{AIB}$.
C. $\left( BCD \right)\bot \left( AIB \right)$.
D. $\left( ACD \right)\bot \left( AIB \right)$.