-Can you answer the door，Jim？I________the dishes．
-I'm coming，Dad．
| A． | do |
| B． | did |
| C． | have done |
| D． | am doing |
What color is it? ---It’s ________ orange.
A. an B. a C. /
Tom is from America. He is ________ American.
A. a B. an C. the
The wolf comes from Europe. It is _______ European wolf.
A. a B. an C. the
We usually have ________ lunch at school.
A. the B. a C. /
I have got _________ apple.
A. a B. an C. some