-- 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
Alice explains things very well, what she says can be understood very ＿＿＿.
#36091
A
quietly
B
carefully
C
slowly
D
clearly
—What’s the matter? You looked unhappy.—Well, the teacher spoke so quickly and I can __________ understand it.
#35508
A
hardly
B
nearly
C
almost
D
usually