It is reported that 40 percent of the land in Brazil________covered with trees.
﹣Why do people like pop music?I hate it so much.
﹣______ it is not your style,that doesn't mean it is bad.( )
Only if
Even though
Now that
In case
The number of medical schools reached 18 in the early 1990s and ______ around that level ever since.( )
are remaining
have remained
is remaining
has remained
I never worried about my son while I was away because my mother ______ him.( )
drank a toast to
played a joke on
kept an eye on
made an apology to
According to Professor Johnson,we don't have to read the book if we don't want to,as it is ______.( )
worthwhile
necessary
optional
serious
Dr.Rowan,______ secretary resigned two weeks ago,has had to do all his own typing.( )
whose
of whom
of which
which