Becauseofthebadweather,thesportsmeethadtobe________.
A、shutdownD
A 关闭，停业 B 废除，终止(与 with 连用) C 离开，起飞 D 取消
Itrainedhardyesterday,______preventedmefromgoingtothepark.
Wateriscomposed_______hydrogenandoxygen.
Nosoonerhadwereachedhome________aviolentstormbrokeout.
Thebookfairhasreceivedapositive________fromreaders.
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
