What can we students do _____ the environment?
#50177
A
to protect
B
protected
C
protecting
D
protects
推荐题目
Mario used to _____________ in the morning.
#48943
A
practiceswimming
B
practicingswimming
C
practiceswim
D
practicesswimming
You need to take notes at the meeting so make sure _________ a pen and some paper with you.
#50455
A
bring
B
bringing
C
to bring
D
not bring
You needn’t worry about __________ food to eat now.
#49031
A
not have
B
not to have
C
have no
D
not having