Before using the machine, you must ____ carefully to these instructions. A join 

Before using the machine, you must ____ carefully to these instructions. A join 

题型:不详难度:来源:
Before using the machine, you must ____ carefully to these instructions.
A join    B join in       C take part in       D attend
答案
D
解析

举一反三
After ten hours’ operation, the doctors managed to _____the one-year-old twins at the head.
A.isolateB.separateC.divideD.remove

题型:不详难度:| 查看答案
Once ________ more attention, the little trees could have grown better.
A.givenB.to giveC.givingD.having given

题型:不详难度:| 查看答案
She ____________ the path as the trees around her became thicker.
A.lost sight ofB.caught sight ofC.lost sightD.caught sight

题型:不详难度:| 查看答案
The boy lay on his back, with his teeth______, his right hand_______, and his glaring eyes ________ _straight upward. 
A.set, rising, lookedB.set, raised, looking
C.setting, raised, lookedD.to set, raising, looking

题型:不详难度:| 查看答案
We      early to avoid the traffic,and it took us only half an hour to get here.
A.turned outB.turned up
C.set off D.set up

题型:不详难度:| 查看答案
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