It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
I __________ the garden as soon as I saw it.
| A．fell in love with |
| B．was in love with |
| C．felt in love with |
| D．fellto love |
I found a __________ of socks in the bedroom, but they didn't make a __________.
| A．pair ； couple |
| B．pair； double |
| C．couple; pair |
| D．couple ； twice |
Her eyes were so sharpto __________her boyfriend in thecrowded street.
| A．find | B．find out | C．pick out | D．observe |
—Can I help you? Are you looking for anything in particular today?
—__________. We're just looking.
| A．Yes, please |
| B．No, thank you |
| C．Yes, you can |
| D．No, you needn't |
— Her's your change. —__________
| A．Thank you. |
| B．Don't mention it. |
| C．No problem. |
| D．With pleasure. |