| I will never know what was on his mind at the time, nor will _____. |
A. anyone B. anyone else C. no one D. no one else |
| Playing tricks on others is _____ we should never do. |
A. anything B. something C. everything D. nothing |
| Once a decision has been made, all of us should _____ it. |
A. direct to B. stick to C. lead to D. refer to |
| There are two buildings, _____ stands nearly a hundred feet high. |
A. the larger B. the larger of them C. the larger one that D. the larger of which |
| Scientists say it may be five or six years _____ it is possible to test this medicine on human patients. |
A. since B. after C. before D. when |
| He kept looking at her, wondering whether he _____ her somewhere. |
A. saw B. has seen C. sees D. had seen |
| — Do you mind my smoking her? — _____ |
A. No, thanks. B. No. Good idea. C. Yes, please. D. Yes, better not. |
| _____ with so much trouble, we failed to complete the task on time. |
A. Faced B. Face C. Facing D. To face |
| Of all the books on the desk, _____ is of any use for our study. |
A. nothing B. no one C. neither D. none |