What impresses me most is ______ he appears in front of others, he wears a sincere and charming smile．
A．which B．that C．where D that whenever
___will the ambulance come. Take it easy and your mom will be OK.
| A．At once | B．In no time | C．Right now | D．The instant |
The places of interest in Xi’an attract my family all the time, and I hope we _____ ourselves this time next year.
| A．are enjoying | B．are to enjoy | C．will enjoy | D．will be enjoying |
We should consider what use can _____ such a piece of cloth.
| A．make of | B．make use of |
| C．be making of | D．be made of |
I really don’t know _____ I put my wallet after I paid the bill.
| A．where was it | B．it was where that |
| C．where it was that | D．where was it that. |
People working 10 or 11 hours a day are more likely to suffer from health problems than _____who go off duty after eight hours.
| A．those | B．that | C．these | D．them |