Not until he retired from teaching three years ago having a holiday abroad.
| A．he had considered |
| B．had he considered |
| C．he considered |
| D．did he consider |
All attentionon the beautiful girl, the boy didn’t notice the teacher enter the classroom.
| A．focusing | B．focused | C．to focus | D．was focused |
Constant practice has erased my accent to a pointmany people think I’m a native speaker.
| A．which | B．what | C．where | D．when |
When he realized the police had seen him, the man ____ the exit as quickly as possible.
| A．made up | B．made for | C．made out | D．made off |
—I’ve decided to quit this job, but I’m afraid I won’t be able to find a better one.
—. You never know until you try.
| A．Good luck | B．Never mind | C．Forget it | D．Go for it |
Strange as it might be, the suggestion he madewe make good use of the equipment is acceptable.
| A．that | B．which | C．why | D．how |