单项选择题

In addition, teaching staff is willing （）extra help if a student needs.

A、 providing
B、 provide
C、 provides
D、 provided

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单项选择题
（）, his work is of great value than mine.

A、 All things considered
B、 Considering all things
C、 Considered all things
D、 All things considering
单项选择题
Busy（）he is. he can fulfill the task ahead of schedule.

A、 because
B、 no matter how
C、 although
D、 as
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