All astronauts Acarry a passport Bduring they are traveling in space Cbecause th

游客2025-02-04 8

问题 All astronauts Acarry a passport Bduring they are traveling in space Cbecause they may need it upon Dreturning to Earth.

选项 A、
B、
C、
D、

答案 B

解析 During is a preposition where an adverb is needed to introduce a subordinate clause. Correction: while.

转载请注明原文地址:https://tihaiku.com/zcyy/3942871.html

相关试题推荐

随机试题

最新回复(0)

Theastronauts(chosenfor)fly(thefirst)UnitedStatesspacecraft.(were)sel