________is no doubt that today greenhouse gases are the largest human influence on global climate.
#91866
A
It
B
There
C
This
D
That
推荐题目
The war against Iraq and the suffering _____caused have become a big concern all over the world.
#92737
A
it
B
what
C
which
D
that
To help a friend solve the problem troubling him, .
#93631
A
a friend should be made known of his difficult situation
B
a man should be equipped with the kind of knowledge required
C
nothing is better than offering of knowledge required
D
keeping one’s promises is most important
Rather than ____ on a crowded bus, he always prefers ______ a bicycle.
#92679
A
ride; ride
B
ride; to ride
C
riding; ride
D
to ride; riding
Much to his surprise，he invited only twenty friends to the dinner，but____ came．
#92400
A
twice as many as
B
as many as twice
C
twice as many
D
twice more than