There has been a serious of the disease in the North.
A. outbreak
B. output
C. outcome
D. outrage
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The heat was extreme and the crops were seriously affected.
A. consciously
B. consequently
C. considerably
D. completely
Can you tell me ____________ the guests can put their coats?
A. what
B. why
C. where
D. which
We didn’t see him at the party yesterday evening. He _______it.
A. mustn’t attend
B. can have attended
C. couldn’t have attended
D. needn’t have attended
Birds are seldom heard _______ at night.
A. sing
B. singing
C. to sing
D. to be singing
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