Do you know if _____ back next week? If he _____ back, please let me know.
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?
I’ve asked him __________ us for dinner, but he said he was quite busy.
— __________ did you pay for it? — $10.