He saw ____________________________ (画有一连串白色的箭头)on the road. 2.单项填空
Every means ________ tried to save the endangered species.
A.were
B.has been
C.have been
D.had
[解析] B 考查主谓一致。虽然means是单复数同形,但是其前面的every说明它此时是单数,故答案选B。 a series of white arrows painted 2 switch vt.(to change from one thing to another,usually suddenly)转换,转变;改变,变化 n.开关,闸;转换器;变化
switch ___
关上(电灯、电视等)
switch ___
打开(电灯、电视等)
switch from…to
从……转变为……
switch ____ (to)
转换频道;转变 off on over 【活学活用】 1.根据句意,用switch的相关短语的适当形式填空
(1) _______ the TV ___ before you leave.
(2) He wanted to relax,so he ___________ the radio.
(3) If there is not a good play on CCTV 8,I would
___________ to CCTV 5. Switch off switched on switch over 2.单项填空
The original painting has been replaced by a fake,and no one knows when the ________ was made.
A.switch
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