If it had been possible, I would have helped him, but I ______ too busy.
The old men are playing chess. Would you mind ________________. A. turning down B. turn down C. turns down
The song Baby Sister ________by Zeng Yike. A. is written B. writes C. wrote
—Excuse me, how can I get to the museum? -- Sorry. It’s my______ time to he here. A. one B. first C. once
—Can you come to my party on Wednesday? —Sorry, I can’t. Ifinish my homework. A. may B. would C. have to
The high-speed trains are much than the common ones. A. fast B. faster C. fastest