In spring, we can often hear some birds_______ in our school.
#54239
A
singing
B
sing
C
to sing
D
sings
推荐题目
Chairman (主席) Xi asks us strict economy (厉行节约) in our daily life.
#53438
A
practice
B
to practice
C
practices
D
practicing
You’d better_______ your cigarette when you are in the wood.
#52244
A
puton
B
putup
C
put out
D
put off
He has finished writing his new book and it will __________soon.
#52721
A
work out
B
come out
C
go out
D
take out
Food safety is important. Rules _____ to stop people from food pollution.
#52399
A
must make
B
must be made
C
can make
D
can be made