We should respect food and think about the people who don’t have_____ we have her
e and treat food nicely.
| A．what | B．which | C．that | D．whether |
The factory used 65 percent of the raw materials, the rest of which __________ saved for other purposes.
| A．is | B．are |
| C．was | D．were |
The secretary and principal __________ at the meeting now.
| A．are speaking | B．is speaking |
| C．were making a speech | D．have a speech |
We all think Mr. Smith __________ a new house if more new houses __________.
| A．should be given; are built | B．will be given; will build |
| C．is given; will be built | D．should give; are built |
If better use is __________ of your spare time, you'll make great progress in your study.
| A．spent | B．taken |
| C．given | D．made |
English is difficult __________ well in a short time.
| A．to learn | B．learning |
| C．to be learned | D．learn |