-- Is air the lightest thing in the world?-- Not . Scientists from Zhejiang University have just developed the world’s lightest material.
#35412
A
now
B
yet
C
then
D
again
推荐题目
----Why does your teacher _________ play basketball?-----Because he does not have much free time to play it.
#35552
A
never
B
always
C
usually
D
seldom
We hope that with the help of the new skill, Liu Xiang can run _____ than before.
#36084
A
fast
B
faster
C
fastest
D
the fastest
-I have finished the task . How about you? -We haven’t finished ours .
#35409
A
yet; yet
B
already; ever
C
before; already
D
already; yet
—______ does your cousin usually go to work on foot?—He says it’s good for his health.
#34897
A
Where
B
When
C
Why
D
How