Last Saturday, we were walking along the street _____ a car suddenly knocked an old man over.
A when B while C as D since
He’d rather ________vegetables than _______meat for lunch．
| A．eat，having | B．having，eat |
| C．eat，have | D．eats，has |
Excuse me, I lost my way. Will you please tell me?
| A．where am I | B．where I am |
| C．where you are | D．where are you |
Wearing red makes easyus to take action.
| A．it; for | B．this; of |
| C．that; for | D．it; of |
The photo reminds him his old grandma.
| A．in | B．at | C．of | D．with |
Now more and more people prefer toin order to reduce the air pollution.
| A．to walk; driving | B．walking; drive |
| C．walking; driving | D．to walk; drive |