He went into his room,    the light and began to work.
#77717
A
has turned on
B
turned off
C
turned on
D
has turned off
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Hurry up, or you ______ catch the train. 
#62829
A
needn’t
B
mustn’t
C
can’t
D
shouldn’t
You had better ________some food and drinks before the field trip ________.
#75967
A
to bring; starts
B
bring; starts
C
bringing; started
D
bring; started
He has      for three or four days. 
#78091
A
got a headache
B
fallen ill
C
caught a cold
D
had a cough