—Let’s go and visit your new school! —______.
#17233
A
That’s all right
B
That’s OK
C
All right
D
Right
推荐题目
_______ provides many hours of air for astronauts in space.
#17237
A
An air tank
B
A power pack
C
A helmet
D
A space sleeping bag
It’s necessary for human beings to breath _______ and plants can produce it.
#17259
A
CO2
B
H2
C
O2
D
N2