A group of middle school students spent two weeks _____ the jungle. 
#53856
A
trekking through
B
trekking across
C
to trek across
D
to trek through
推荐题目
----Is Mary at home?----No, she_________ the library. She _________ there a moment ago.
#52478
A
has gone to, went
B
has gone to, has been
C
has been to, went
D
has been to, has gone
 He has ______ for some years, but his _____ still makes us very sad now.
#52930
A
been dead, death.
B
death, dead
C
died, death
D
died, dead
It's not polite to _______ others.
#59492
A
speak to
B
help
C
laugh at
D
talk to
We love to sit on the floor and _____________ the beach and the sea.
#61159
A
look out of
B
look out at
C
look out
D
look for
Liao Dong is __ __ his eraser, and _____ it finally. 
#54100
A
looking for, find
B
looking for, finds
C
finding, look for
D
finding, looks for