When did your brother __________ the army?
A.join B. join in C. take part in
I really wanted to help those homeless children in the flooded areas, ______ I donated all the pocket money that I had saved for months.
| A．so | B．because | C．since | D．for |
I think ______ is necessary ______ us to do something useful to protect the birds.
| A．this; for | B．it; of | C．this; of | D．it; for |
--- A serious Tsunami hit Japan on March 11th,2011
--- ________ news!
| A．How terrible | B．What terrible |
| C．How a terrible | D．What a terrible |
--- Must I finish the project now?
--- No, you _. You_do it this evening.
| A．mustn’t; can | B．needn’t; may |
| C．can’t; must | D．needn’t; must |
I don’t know if it ______ tomorrow. If it ______, we’ll go out for a picnic.
| A．will rain; won’t rain | B．rains; doesn’t rain |
| C．rains; won’t rain | D．will rain; doesn’t rain |