A、It has be heavy to prevent astronauts from floating away
B、It must also work as a SCUBA device
C、It needs to double as a hovercraft
D、It must be lightweight and easy to mover in
第2题
A、one who receives
B、one who gives
C、one who doubts
D、one who criticizes
第3题
The one who translated Homer’s epics into English is
A、Shakespeare
B、Marlowe
C、Chapman
D、Sidney
第4题
A.A stranger who lived nearby
B.One of the guests.
C.One of the host' s friends.
第5题
A.who’s wining
B.who’re willing
C.who’s being willing
D.who’re being willing
第10题
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