If people ________ cutting down the forest, they will have nowhere _______.
#49453
A
keep, to live in
B
will keep, to live in
C
keep, to live
D
will keep, to live
推荐题目
There are some boys ________ in the river.
#51303
A
swimming
B
to swim
C
are swimming
D
is swimming
–I feel tired and sleepy. –Why not stop __________?
#50602
A
to relax
B
breaking
C
resting
D
to work