— Why do some whales have to ?
— Because humans catch whales for meat,fat and oil.Some of them are .
A.protect;dangerous
B.protect;endangered
C.be protected;dangerous
D.be protected;endangered
We are tired. Let's stop_________ a rest.( )
have
having
to have
to having
Gina went to the doctor's yesterday and she_________ to take medicine on time.( )
told
is told
was told
has told
The shoes_________ I bought yesterday cost me ten dollars.( )
whose
which
whom
who
______ exciting news it is!( )
What
What an
How
How an
Alice can sing some English songs,_________ she can't play the guitar.( )
and
but
or
for