单项选择题

This is only one of the laundries in the district （） modem equipment.

A. that have
B. which have
C. that has
D. what has

相关考题

The doctor tried to do an experiment to find out the （）...

单项选择题The doctor tried to do an experiment to find out the （） of the medicine on the mice.

A. cause
B. result
C. reason
D. effect