1.Several tropical storms ______ our country recently.
A) truck
B) have struck
C) are striking
D) strike
2.He forgot to give a ………………before he turned left and got a ticket.
A) hand
B) signal
C) sign
D) light
3.Nuclear power can provide enough electricity for the world's needs, but it is ____________.
A) harmless
B) limited
C) dangerous
D) polluting
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Sinh Học lớp 12
