——Have you finished doing the work____? ——Not____.
| A．already;yet | B．yet;yet | C．already;already | D．yet;already |
Food safety is important. Rulesto stop people from food pollution.
A、must make
B、must be made
C、can’t be made
Shein a toy factory, but now she has a shop of her own.
A、is used to work
B、was used to work
C、used to work
Do you know ______________ last Sunday?
| A．where they had a picnic |
| B．where did they have a picnic |
| C．where they have a picnic |
| D．where will they have a picnic |
I’ve asked him __________ us for dinner, but he said he was quite busy.
| A．joining | B．to join | C．joined | D．join |
— __________ did you pay for it?
— $10.
| A．How often | B．How many |
| C．How soon | D．How much |