Many companies don’t realize ____ important the customers are, which is why they lose their customers unconsciously.
A.what B.whether C.how D.which
Friends have to learn to _____ annoying habits and to bear differences of opinion．
A.put up with B.come up with
C.keep up with D.end up with
—Jenny, I hate to say it, but you really must go!
—________.
A.All right, if you insist B.Not likely
C.Mind your own business D.You must be kidding
Was it in 2008 ______ he was still at middle school _____ the boy became expert at computer?
A.that; where B.when; where C.that; when D.when; that
Busy as the working mother is, she still_____ a lot of time to her children.
A.devotes B.spends C.offers D.provides
What an unforgettable experience! I’ll write it down _______ it is still fresh in my memory.
A.since B.after C.while D.until
