_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.
A. UnlessB. BeforeC. AlthoughD. Since
Whom do you think Mary will _________ into the matter
instead of her?
A. have looked B. have to lookC. have had lookingD. have look
Recently our community has launched a campaign among all the residents , ____ we are called upon to do our little but to prevent the worsening environment.
A. whereB. whichC. asD. when
As is required by their employer, the employees ______ finish the project within this month.
A. couldB. shallC. mayD. should
It is really a pity that I can not attend your wedding party this weekend. I _________ a very important international conference in Paris then.
A. have attendedB. are attendingC. have been attendingD. will be attending
Do you really want to rent such a flat which is empty ________ some old pieces of furniture?
A. besidesB. except forC. forD. except
