You had better _______ your homework carefully.
A. going B. to do C. do
When I called Mr. Li, he and his wife ________ in the rain.
| A．trapped | B．were traped |
| C．were trapped | D．were trapping |
We found our English teacher very interesting. Its structure is .
| A．S+V+P | B．S+V+DO+OC |
| C．S+V+IO+DO | D．S+V+DO |
Some social workers _____ after the people in need while others ____ out food to the local people.
| A．looked, gave |
| B．were looking, gave |
| C．were looking, were giving |
| D．looked, were giving |
－What do we need to buy?
－________.
| A．Two kilos of potatoes and two packets of salts |
| B．Two kilos of potatoes and two packet of salt |
| C．Two kiloes of potatos and two packets of salt |
| D．Two kilos of potatoes and two packets of salt |
There ______ some sheep and a dog at the foot of the hill.
| A．is | B．are | C．have | D．has |