21. ---It looks heavy. Can I give you a hand?
---_______.
| A．No, thanks | B．Yes, my pleasure | C．No, never mind | D．Yes, I do |
Carl is studyingfood science at college and hopes to open upmeat processing factory of his own one day.
| A．/ ; a | B．/ ；the | C．the; a | D．the; the |
After the snowstorm broke out, what should be immediately done is to provide ________ for those people who lost their homes.
| A．occupation | B．equipment | C．furniture | D．accommodation |
Meeting President Xi was a precious moment for the villagers, ________they will treasure forever.
| A．one | B．it | C．that | D．this |
As the report said, the shopping center was a ________ failure and soon closed.
| A．financial | B．typical | C．physical | D．mental |
—I’m sorry. I shouldn’t have been so rude to you.
—You ________ something not very nice to me, but that’s OK.
| A．have said | B．had said | C．did say | D．were saying |