After I ______ my homework, I went out to an aquarium.
| A．was doing | B．did | C．does | D．would do |
Jim with his best friends _______ going to plant trees next Saturday.
| A．are | B．were | C．is | D．was |
My little brother likes this kind of pizza. Please give him _______ .
| A．another | B．other | C．the other | D．others |
There is _______ “u” and _______ “f” in the word “unfamiliar”.
| A．an, an | B．a, a | C．an, a | D．a, an |
---Would you please fetch some water for me? I am too tired.
---________.
| A．My pleasure | B．I am glad |
| C．At once | D．With pleasure |
---Would you mind my sitting here?
-- _____. Sit down, please.
| A．Of course | B．Not at all |
| C．I’m afraid not | D．Sorry, you can’t. |