单项选择题
A.bagged B.bulk C.heavy D.light
The gooseneck is （）. Stop using it at once.A.bendB.bent...
单项选择题The gooseneck is （）. Stop using it at once.
A.bend B.bent C.band D.bended
It’s raining. Stop （）, please.A. workB. to workC. worki...
单项选择题It’s raining. Stop （）, please.
A. work B. to work C. working D. job
You can swing the derrick to starboard side or port sid...
单项选择题You can swing the derrick to starboard side or port side. But do not exceed （）for the union purchase.
A.120° B.90° C.60° D.100°
