There is a wide ________of reference books to be found, so ________you look for some material needed, you can turn to me.
A.kind; the last time | B.sort; every time |
C.variety; next time | D.type; the moment |
Drivers must stop when the traffic lights _____ red.
A.turn | B.will turn |
C.turned | D.were turning |
There was an excited expression ______ his face when he heard the good news.
A.of | B.on |
C.at | D.over |
Milk will turn sour soon on hot days ______ it is stored in the refrigerator.
A.since | B.until |
C.because | D.unless |
You'd better not ride the bicycle on snowy days; you ______ fall.
A.must | B.might |
C.have to | D.ought to |
—Hi, Jack.You look a bit fat now.
—Yes, I ______ five pounds recently.
A.am putting on | B.will put on |
C.have put on | D.had put on |