I don’t know which skirt was ______, so I took themboth.—Yes, it’s really difficult to choose.

Excuse me, what’s the_________usually used for –It’s used for protecting people fromthe rain.

下列各句中，没有语病的一句是

To keep healthy, Mr. Smith_______ cyclingas a regular form of exercise after he retired.

However weak we are, we can still do something against the powerful nature as long as we are ______ prepared