_______ 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
At _______, we eat rice dumplings and on _______, we eat Turkey.
#17228
A
Dragon Boat Festival, Thanksgiving Day
B
National Day, Halloween
C
Chinese New Year, Christmas
D
Mid-Autumn Festival, Thanksgiving Day
I am a fan of Liu Qian. _____ his magic ________ his humor attracts me.
#17296
A
Both… and
B
Either…or
C
Neither…nor
D
Not only… but also
— Are these your keys? — __________.
#17299
A
Yes, these are
B
No, these isn’t
C
Yes, they are
D
No, they isn’t