He has never ________ of such a thing before.
#54048
A
hear
B
heared
C
heard
D
hearing
推荐题目
–There will be more plants and animals. --I _______.We can’t live without them.
#62161
A
agree
B
disagree
C
think
D
do
The river smells terrible. People must_____ dirty things into it.
#55102
A
be prevented to throw
B
prevent from throwing
C
prevent to throw
D
be prevented from throwing
Teachers often tell their students _______ across the road when the traffic light is red.
#55126
A
not go
B
not to go
C
don’t go
D
didn’t go
.---How can I get along _____with others, Dad?---Try to smile to others, boy. That will make ________much easier.
#52827
A
good; them
B
good; it
C
well; them
D
well; it
—Jack, could you help me my pet when I’m away?—Sure, it’s my pleasure.
#53140
A
look after
B
look out
C
look up
D
look through