volleyball is her main focus, she’s also great at basketball.
| A．Since | B．Once | C．Unless | D．While |
Professor Li has ______ interest in history, especially in _____ history of Ming Dynasty.
| A．an; / | B．an; the | C．/; the | D．/; an |
One third of the workers in this city ______ now on strike.
| A．is to be | B．is | C．are to be | D．are |
Bob’s doctor suggests _______ for a few days.
| A．that he is resting | B．his resting | C．him to rest | D．that he rest |
Because of the financial crisis, days are gone ______ local 5-star hotels charged 6,000 yuan for one night.
| A．if | B．when | C．which | D．since |
It is reported that the police will soon ____ the case of two missing children.
| A．look upon | B．look after | C．look into | D．look out |