Kate's family was supposed to arrive half an hour ago.
查看答案
Kate is easy-going and won't mind it if her family doesn't show up.
A. 对
B. 错
The man's family cannot come to school because no planes are flying in South Africa.
A. 对
B. 错
The man is very upset because his family cannot come to his gaduation ceremony.
A. 对
B. 错
大豆灰斑病由初侵染产生的病斑上产生大量分生孢子,借____传播,成为田间再侵染源。
A. 土壤
B. 昆虫
C. 气流
D. 灌溉
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