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It’s better ____ your voice down in public places.
#49478
A
keeping
B
to keep
C
keeps
D
keep
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推荐题目
 I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do
Lily is so happy _____ delicious soup for her parents.
#48422
A
to make
B
make
C
making
D
makes
His parents make him _______ at night.
#49233
A
stay at home
B
stays at home
C
to stay at home
D
to staying at home
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing
My pen pal Ann found it difficult ______ Chinese well.
#48777
A
learning
B
learn
C
to learn
D
learned