You had better clear up your bedroom,_______?
| A．didn't you |
| B．hadn't you |
| C．did you |
| D．had better you |
It was _____ who telephoned me yesterday.
| A．him | B．his | C．himself | D．he |
--- Oh, it’s you! I ______ you.
--- I’ve just had my hair cut and I’m wearing new glasses.
| A．didn’t realize | B．didn’t recognize |
| C．didn’t remember | D．didn’t tell |
The place was flooded ________ it had been raining for several weeks.
| A．because | B．because of | C．ever since | D．as a result of |
In the past 10 years people have become more______ the safety of their privacy.
| A．worrying about | B．cared about |
| C．concerned about | D．paid attention to |
I ______ all the pockets but I couldn’t find the ticket.
| A．looked for | B．went through | C．went over | D．went round |