Our flight was delayed. We decided to take a long walk around the terminal.
A.We have been taking a long walk around the terminal since our flight was delayed.
B.Since our flight was delayed, we decided to take a long walk around the terminal.
C.We decided to take a long walk around the terminal in case our flight was delayed.
D.We have been walking around the terminal for a long time since the delay of our flight.

Tom has been working all day. He must be tired now.
A.I think Tom must work all day and tired now.
B.Tom is tired now because he is working all day.
C.I’m sure Tom is tired after working all day.
D.I think Tom was tired all day working.

I am tired from staying up late last night studying. I am also worried about today’s test.
A.Not only I am tired from staying up late last night studying but I am also worried about today’s test.
B.Because I am worried about today’s test, I stayed up late last night studying.
C.I am not only tired of staying up late last night studying but also worried about today’s test.
D.Tired from staying up late last night studying, today’s test also makes me worried.

Choose the word which is stressed differently from the rest.
A.continent
B.obstacle
C.surroundings
D.consonant

Choose the word which is stressed differently from the rest.
A.difficult
B.similar
C.polluted
D.beautiful

Choose the word which is stressed differently from the rest.
A.understand
B.interact
C.discover
D.recommend

Choose the word which is stressed differently from the rest.
A.average
B.comedy
C.elephant
D.cathedral

Choose the word which is stressed differently from the rest.
A.procedure
B.museum
C.maternal
D.generous

Choose the word which is stressed differently from the rest.
A.advice
B.happen
C.record
D.narrow

Choose the word which is stressed differently from the rest.
A.forbid
B.mention
C.marriage
D.carpet