Many college students are willing to work in Western China after graduation ________, poor and backward as it is, more opportunities of employment are available.
A. which B. when
C. that D. where
I had hardly got to the office my wife phoned me to go back home at once.
A．when B．than
C．until D．after
I'll have all of the readings by the end of this term if my plan goes well.
A．completing B． to complete
C．completed D． being completed
I am going to Beijing.Do you have anything ？
A．taking B．to take
C．to be taken D．taken
Claire had her luggage an hour before her plane left.
A．check B． checking
C．to check D． checked
He paid for a seat, when he ______ have entered free.
A．could B．would
C．must D．need
