I am leaving for a vacation.-Really? Where ________you __________?

Now the air in our city is ______ than it used to be. Something must be done to stop it.

I hear that Lily’s brother is a worker here.—Look, the man _________ is working over there is her brother.

The window was broken. Try to ________ who has broken it.

I think Japanese is _______English.—-I agree with you.