Mary，put on your coat，________you’ll catch a cold．
| A．and |
| B．or |
| C．so |
| D．but |
—___________his brothers?—Yes, they are.
| A．Are you | B．Is this | C．Are these | D．Is he |
—________ is Bob?—He’s eleven.
| A．What | B．How old | C．What color | D．How many |
My room ________very big, but I like it very much.
| A．is | B．isn’t | C．are | D．aren’t |
My sister and I ________ in No.7 Middle School.,
| A．am | B．is | C．are | D．be |
Betty is from America, she is______ American girl.
| A．a | B．an | C．the | D．/ |