When changing lanes , a driver should use his turning signal to let other drivers know .
A. he is entering what lane B. which lane he is entering
C. he is entering which lane D. which lane is he entering
you may have , you should gather your courage to face the challenge .
A. However a serious problem B. Whatever a serious problem
C. However serious a problem D. No matter how a serious problem
We last night , but we went to the concert instead .
A. must have studied B. should have studied
C. could have studied D. studied
I’m sure that your letter will get attention . They know you’re waiting for the reply .
A. continued B. immediate C. careful D. general
The house rent is expensive , I’ve got about half the space I had at home and I’m paying
here .
A. as three times much B. as much three times
C. much as three times D. three times as much
I have always been honest and straightforward , and it doesn’t matter I’m talking to .
A. who is it B. who it is C. it is who D. it is whom
