单项选择题

No matter (whatever happens), we’’re determined to (do our best) and (make) the experiment (a success).

A．A
B．B
C．C
D．D
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单项选择题
Once (giving) (a set of) instructions, a computer can gather a (wide) ranger of information (for different purposes).
A．A
B．B
C．C
D．D
单项选择题
He (didn’’t dare) (to leave) the house (for fear) someone would (recognize him) soon.
A．A
B．B
C．C
D．D
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