The theory of black holes in space__ (accept) by many serious scientists and astronomers.
is accepted
暂无解析
Hismotherbecomesdisappointedwheneverhefailstoliveuptoher________(expect)
When a person immigrates to another country, he should_ (conscious) adapt himself to the new environment
He blamed his poor performance_____jet lag
He took his umbrella with him lest it ____(rain).
