________ we go swimming every day ________ us a lot of good.
| A．If...do | B．That...do | C．If...does | D．That...does |
—Must I go there right now?
—No，you ________.You ________ go there before supper.
| A．mustn't；need | B．needn't；may |
| C．can't；need | D．won't；can |
I was really anxious about you.You ________ home without a word.
| A．mustn't leave | B．shouldn't have left |
| C．couldn't have left | D．needn't leave |
There was a lot of fun at yesterday's party.You ________ come，but why didn't you?
| A．must have | B．should |
| C．need have | D．ought to have |
He ________ if he works hard for the people.
| A．shall praise | B．shall be praised |
| C．will praise | D．will be praised |
He ________ fatter but he eats too little.
| A．would become | B．would have become |
| C．must become | D．must have become |