By the time I locked the door, I realized I ________my keys at home.
| A．hadrepaired | B．hadchanged |
| C．hadforgotten | D．hadleft |
I’m busy in the evening, because there ______ lots of homework to do．
| A．has | B．have | C．is | D．are |
The shirt is made ______ silk．
| A．of | B．from | C．in | D．into |
Do we need to buy paper cups?
| A．some | B．any | C．much | D．a |
—What do people usually eat at Dragon Boat Festival? —______．
| A．Mooncakes | B．Candies and apples |
| C．Rice dumplings | D．Chocolates |
There is a beautiful park near my home．I always have fun ______ my dog there．
| A．at | B．with | C．on | D．for |