Nowadays, use____________of certain waste materials to protect the environment.
| A．is making | B．will make | C．is being made | D．will be made |
Large quantities of information，as well as some timely help ________since the organization was built.
| A．has offered | B．had been offered |
| C．have been offered | D．is offered |
Jenny suggested our going on an outing to the countryside next weekend, but the rest didn’t sound very _________ about the idea.
| A．enthusiastic | B．cautious | C．anxious | D．secure |
Nancy, ____ for about half a year to apply for a job as an airline hostess, finally took a position at a shopping center.
| A．struggled | B．having struggled | C．struggling | D．to struggle |
Hot_______thenightairwas,wesleptdeeplybecauseweweresotiredafterthelongjourney.
| A．although | B．however | C．while | D．as |
----Putting on a happy face not only helps to make friends, but also makes us feel better.
----_________________.
| A．I’d love to | B．It’s up to you |
| C．I’m with you on that | D．It’s my pleasure |