01}8. Usually passengers are required to arrive at _____ one hour before ______ takes off.
A.airport; aircrafts
B.the airport, aircraft
C.an airport, a aircraft
D.the airport, the aircraft
解析:略
本题选D。
{02}234. He seems to have nothing to do. He always keeps his hands in his ______.
A.bags
B.chest
C.back
D.Pockets
解析:略
本题选D。
{03}273. Which of the following is not a container?
A.metal
B.tin
C.can
D.Tank
解析:略
本题选A。
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