She's not strong enough walking up mountains.
#52942
A
to go
B
going
C
go
D
went
推荐题目
---The TV show Dad, Where Are We Going is so wonderful. You shouldn’t miss it.---If I have time, I it.
#53436
A
see
B
am seeing
C
will see
D
saw
Linda sleep late, but now she getting up early to catch the bus.
#58722
A
used to; is used for
B
used to; is used to
C
is used to; is used for
D
is used to; is used to
In spring, we can often hear some birds_______ in our school.
#54239
A
singing
B
sing
C
to sing
D
sings