You’d better wear a pair of comfortable trainers when ________a long walk.
#41330
A
you take
B
taking
C
to take
D
A&B
推荐题目
There is no doubt _______ international cooperation is the key to _______ with cyber crime.
#67746
A
whether; doing
B
that; dealing
C
whether; do
D
that; deal
Some scientists have questioned the theory ______ CO2 is causing dangerous global warming.
#68429
A
which
B
what
C
that
D
why
I have reached a point in my life I am supposed to make decisions of my own.
#74507
A
which
B
where
C
how
D
why
While he TV，a football flew into the room through the window．
#41227
A
watches
B
is watching
C
was watching
D
Watched