题目
A.when
B.where
C.if
D.that
第1题
A.when
B.where
C.if
D.that
第2题
Be on your ______ against thieves while you are in the crowd.
A.watch
B.move
C.point
D.guard
第3题
The thieves ______ into the bank while the guard had his back turned.
A.wandered
B.roamed
C.strolled
D.sneaked
第4题
The thieves ______ into the bank while the guard had his back turned.
A.wandered
B.roamed
C.strolled
D.sneaked
第5题
Be _____ guard against pickpockets.
A: on
B: by
C: with
D: of
第6题
The police warned people to be ______ against burglary during the festival.
A.in guard
B.on guard
C.under guard
D.like guard
第7题
A country must always be ______ guard against spies and invaders.
A.in
B.to
C.with
D.on
第8题
A country must always be ________ guard against spies and invaders.
A.in
B.to
C.with
D.on
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