Dale is studying in________university and he wants to be________engineer.
| A．a，a | B．a，an | C．an，a | D．an，an |
Suddenly, they heard ______ whisper from the bushes behind _______tree on the left.
| A．a; the | B．the; a |
| C．a; a | D．the; the |
—Do you like to sleep with the windows ________?
—Yes, I’d like to feel the air and wind.
| A．open | B．opened |
| C．close | D．closed |
---Can we swim in the river?
---_______. It's dangerous to swim here.
| A．I'm afraid not. | B．That's OK |
| C．No, not at all. | D．No problem |
There is a_______ tree in front of my classroom
| A．ten-metres-tall | B．ten metres tall |
| C．ten-metre-tall | D．tens-metre-tall |
The exchange_______ homes are in the UK. I want to take_______ to the Great Wall.
| A．students'; them | B．student's; their |
| C．students', theirs | D．student's; they |