语法词汇练习 语法大全 语法详解 英语听力 
What can we students do _____ the environment?
#50177
A
to protect
B
protected
C
protecting
D
protects
下一题
推荐题目
I can’t make him________ that if he doesn’t want to.
#50753
A
did
B
to do
C
doing
D
do
It’s time for class. So stop ________, please.
#49374
A
to talk
B
talking
C
talk
D
talked
He enjoys ________ English in the morning.
#51351
A
read
B
to read
C
reading
D
reads
Thank you for_______ me with my English.
#49078
A
help
B
helping
C
to help
D
helps
The Hi-speed train made           possible for the passengers           home easilier.
#48387
A
that；to get
B
this；get
C
it；to get
D
it；getting