—Why are you late, Jim?
—Because there _________ a lot of traffic when I came here.
| A．is | B．are | C．was | D．were |
The big trees __________ some shade __________ us.
| A．provided; with | B．offered; for |
| C．offered; with | D．provided; for |
— We finished counting all the birds, Miss Zhang.
— ______ ! Boys and girls, let’s have a rest.
| A．Best wishes | B．Good luck |
| C．Well done | D．Good idea |
— Look! The girl with long hair is drawing a picture. Is she Sandy?
— It ______ be her. I’m not sure.
| A．mustn’t | B．must | C．can’t | D．may |
We should do everything we can to protect the birds ______ danger.
| A．in | B．away | C．on | D．at |
-- Don’t cross the road when the traffic lights are red.
-- .
| A．No, I will. | B．Yes, I do. |
| C．OK, I won’t. | D．No, I don’t. |