大学英语判断题每日一练(2019.07.08)

单项选择题
The shop doesn't have brown sugar in（）at the moment, but they expect to have some tomorrow.
A.store
B.storage
C.stock
D.portion
单项选择题
Years of（）labor had hardened his muscles.
A.survival
B.mental
C.restless
D.manual
单项选择题
May I have two（）instead of beans, please
A.corn's ear
B.corn ears
C.ear of corns
D.ears of corn
单项选择题
I guess the whole paper has to be rewritten; only the first few paragraphs may be（）
A.sustained
B.contained
C.maintained
D.retained
单项选择题
As we took our seats on the bus, I noticed a woman（）with a young adult close to us.
A.sit
B.be sit
C.sitting
D.sits