The mobile phone has changed people’s life a lot ________ it was invented.
| A．until | B．since | C．before | D．after |
Allen wanted to know ____ after it got out of the UFO.
| A．what is the alien doing |
| B．what the alien would do |
| C．where would the alien go |
| D．where the alien is going |
—Time is money.
—But I think time is _________ money.
| A．as important as | B．more important as |
| C．the most important in | D．more important than |
I like flowers. I hope to study at a school ____many flowers and trees in it.
| A．in | B．with | C．on | D．by |
So far this year, many new houses ________ in Wenchuan with the help of the government.
| A．build | B．are built | C．will build | D．have been built |
—Hey, Ted! You _______ never play in the street. It’s not safe.
—Sorry, Mum. I won’t again.
| A．need | B．must | C．can | D．may |