She's not strong enough               walking up mountains.
#52942
A
to go
B
going
C
go
D
went
推荐题目
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
I saw him ________ the supermarket just now.
#59239
A
goes
B
comes
C
enter
D
arrived