Generally speaking, when___ according to the directions, the medicine has no side effect.
Although he is a teenager,Fred can resist________what to do and what not to do.
He thought her nice and honest________he met her.
-How often do you eat out? -________,but usually once a week.
________everybody enjoys fresh cut flowers around his house,few people know how to keep them for as long as possible.
The old houses of this area had to be________immediately so that the government could carry its flowerstylecity programme out.