There are so many foggy days recently.We all wonder_________.( )
A.how is the air polluted
B.why the air is seriously polluted
C.what can we do to prevent that bad weather
D.what are the real reasons
Many old trees and houses ________by the terrible rainstorm last night.( )
are pulled down
were pulled down
will be pulled down
How long have you ______your cap?It looks cool.
About two weeks.( )
borrowed
bought
had
Taking a subway in Chengdu is much_________ than taking a taxi.( )
cheap
cheaper
cheapest
The girl in the music room _________be Celia.She has gone to the dining hall.( )
can't
must
may
________fine weather it is!( )
What a
How
What