If you ________ yesterday，you ________ with your mother now.

_____ it rain tomorrow, we would have to _______ the picnic.

It is very important that you _______ for this examination.

The poem did not have an appropriate ending, _________ she would have won the competition.

Look at the trouble I’m in. If only I ________ your advice.

With all his money, he _____worry about a little thing like 5 cents!

Being examined twice a year is the rule that every driver    obey in the city．

--- How much shall I pay for the phone call?
--- You ________. This is free of charge.

Has it been warned that all the children in this area      stay at their homes until the Flu has been controlled ?

——Ms Lin looks rather a kind lady.
——But in fact she is cold and hard on us. You ____ believe it!