______ your opinions are worth considering, the committee finds it unwise to place too much importance on them.
A. As B. Since C. If D. While
He is confident, ______, in my opinion, is most important in modern society.
A. who B. that C. which D. what
The team, ______ to climb the world’s second tallest mountain twice, finally decided to give up.
A. having attempted B. attempting
C. attempted D. to attempt
I ______ Peter with his work, but I had a lot of things to do myself.
A. must have helped B. should have helped
C. needn’t have helped D. can’t have helped
For a moment nothing happened; then______ from the excited audience.
A. cheers came B. did cheers com
C. cheers would come D. came cheers
—Did you forget about my birthday?
--______ I’ve booked a table for this evening.
A. What then? B. I’m afraid so. C. How could I ? D. For sure.
