---Why are you so excited today?---We were told _________ a picnic this weekend.
#49288
A
have
B
to have
C
having
D
had
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Sorry,we don’t allow ________ in the lecture room.
#48947
A
to smoke
B
smoke
C
smoking
D
to smoking
I mustn’t give up __________ English easily. 
#49048
A
to study
B
studying
C
studied
D
study