I’m very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.
A. whom B. their C. which D. whose
I ______ for Shanghai this Saturday, so I want to know when the earliest plane ______.
A. leave; takes off B. am leaving; takes off
C. leave; is taking off D. am leaving; is taking off
He ______ it on schedule, but somehow he fell behind.
A. must have done B. might finish
C. could have finished D. could finish
The doctor’s dilemma was _____ he should tell the patient the truth.
A. whether B. which C. that D. what
All we have is 24 precious hours a day and therefore we shall waste ______
A. nothing B. none C. neither D. no one
We are so tired. ______ we could take the day off tomorrow!
A. Only if B. What if C. If only D. If so