Adion Airlines can not________that all -考呗网题库移动版

单选题 Adion Airlines can not________that all flights depart on time.

A． guaranteeing
B． guarantee
C． guaranteed
D． guarantees

参考答案B

解析:【答案】B。解析：caJl not为情态动词的否定，后接动词原形，句意为“Adion航空公司不能保证所有航班都按时出发”。故选B。

单选题 Given the size of the group, a small meeting room should be

A． maximum
B． precise
C． sufficient
D． extensive

单选题 Requests for personal time off from work require the________of a staff manager.

A． approved
B． approval
C． approvingly
D． approve

单选题 Jackson's innovative assembly processes have been________used by manufacturers.

A． widened
B． widely
C． wide
D． wider