Chọn đáp án đúng:
Lớp triệu của số 102 000 000 gồm các chữ số
0, 0, 0
1, 0, 2
1, 0, 0
A.answer2
B.
C.
D.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Doctors …….... through years and years at schools to save lives.
A.trained
B.train
C.are training
D.will train

What .......... at the party tonight?
A.are you going to do
B.do you do
C.will you do
D.are you doing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Thieves usually .......... into houses through windows.
A.sneak
B.will sneak
C.are sneaking
D.sneaks

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I .......... a letter now.
A.reads
B.am reading
C.read
D.reading

I _____ here until he answers me.
A.am staying
B.am going to stay
C.will stay
D.stay

Dogs ………. usually curious and friendly.
A.are
B.will be
C.were
D.is

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Lions ………. in Africa.
A.is living
B.lives
C.are living
D.live

I completely forget about this. Give me a moment, I ........... it now.
A.will do
B.am doing
C.am going to do
D.do

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
He .......... on the house soon.
A.works
B.are working
C.work
D.is working