_____ more energies to my study, I would be sitting in a comfortable office now.
A. If I devoted B. Had I devoted C. Would I devote D. Should I devote
—Excuse me, I wonder if you can help me. I ____ my iphone.
—But where did you lose it?
A. have lost B. lost C. had lost D. lose
—What do you think of the concert?
—I really enjoy it. I didn't expect it was ____ wonderful.
A. as B. more C. most D. very
A growing anxiety is disturbing the public _____ the economy will continuously decline.
A. which B. that C. why D. what
The number 9. 11 is a special number, ____, I think, that will be remembered by the Americans forever.
A. what B. it C. which D. one
As time went by, the plan I stuck ____ fairly practical.
A. to proved B. to proving C. proved D. to be proved