You buy a gift, but you can if you want to.
| A．must | B．mustn't | C．have to | D．don't have to |
People in those days liked to believe in computers ________ the world.
| A．taking over and ruling | B．take over and rule |
| C．that took over and rule | D．to take over and rule |
________ into use in April 2012, the hotline was meant for residents reporting water and heating supply breakdowns.
| A．Putting | B．Put | C．Having put | D．Being put |
-- Hey, Mary. Is the film ________?
-- Hi, Tom. I think the film is ________.
| A．worth seeing; worthwhile to be seen |
| B．worthy to be seen; worthwhile to see |
| C．worthwhile to see; worth seeing |
| D．worth seeing; worthy of being seen |
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
| A．is leaving; takes off |
| B．will leave; is taking off |
| C．is to leave; is going to take off |
| D．leaves; will take off |
________, we are better off and live a more convenient life.
| A．With the economy develops fast |
| B．With the economy developing fast |
| C．As the economy developing fast |
| D．As the economy develop fast |