If you see the traffic accident on the way, youshould call ___________ right away.

.Nobody knew when the fire ________, but they knew it ________ the next morning

I tried every means to reach my goal but failed. So desperate ______ that I almost lost heart.

Look at the thick smog(雾霾)outside the house. ____ bad weather!

Every day she has_______ homework to do, so she has no time_______ TV