Teachers recommend parents_____their children under 12 to ride bicycles to school for safety.
#86966
A
not allow
B
do not allow
C
mustn’t allow
D
couldn’t allow
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Without the development of the Internet, Taobao and Tmall______$ 5.7 billion in sales on 11 November, 2013.
#86410
A
wouldn't make
B
didn't make
C
hadn't made
D
wouldn't have made
. Mary _____ be in London because I saw her in town just now.
#88099
A
mustn’t
B
isn’t able to
C
needn’t
D
can’t
It was playing computer games that cost the boy plenty of time he ____ doing his lessons.
#89110
A
might have spent
B
ought to have spent
C
must have spent
D
could have spent
There was a half smile on his face which suggested that he＿＿＿＿happy to have given his life for his country.
#89954
A
was
B
should be
C
would be
D
were