_______ 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
推荐题目
--- It’s so hot today. Why not stay at home and read books? --- ___________! Let’s read the novel Twilight.
#17240
A
That’s Ok.
B
Good luck
C
Of course not
D
Good idea
—We can see the signin the public places. What does it mean?—It means________.
#17198
A
NO PHOTOS
B
NO FISHING
C
NO PARKING
D
NO SMOKING
—Look! The line of people is ______.—Bad luck. I don’t think we can get any tickets.
#17067
A
hopeless
B
helpless
C
endless
D
careless