Mrs. Smith often goes to visit those AIDS patients in hospitals to cheer up.
| A．her | B．them | C．him | D．us |
Evidence obtained from observation and experiment is often used to a scientific theory.
| A．confirm | B．conclude | C．consult | D．confuse |
|
I intended to compare notes with a friend, but unfortunately ________ couldn’t spare even one minute．
| A．they | B．one | C．who | D．it |
__________ I explained on the phone, your request will be considered at the next meeting.
| A．Which | B．That | C．What | D．As |
—What are you going to do this afternoon?
—I’ll probably go for a walk later on __________ it stays fine.
| A．as far as | B．so long as | C．even if | D．as though |
We must take all possible measures _________ to improve working conditions.
| A．tend | B．tending | C．tended | D．being tended |