单项选择题
The gooseneck is （）. Stop using it at once.
A.bend B.bent C.band D.bended
单项选择题 It’s raining. Stop （）, please.
单项选择题 You can swing the derrick to starboard side or port side. But do not exceed （）for the union purchase.
单项选择题 When the derrick is lowered, the guys must be （）.
