— Is that elephant from ______ Asia？
— No, it isn’t. It’s from ______ African country.
A. an, an B. /, an C. an, a
If the green light isn’t on, ________ a minute.
| A．waiting | B．to wait | C．waited | D．wait |
I’m very tired, Let’s stop ________ a rest.
| A．have | B．having | C．to have | D．had |
He doesn’t know ________ they will plant trees on Saturday or not.
| A．weather | B．whether | C．if | D．that |
Hobbies can make us ________ as a person.
| A．grow | B．grew | C．growing | D．to grow |
The drink is ________ delicious ________ I enjoy it very much.
| A．too, to | B．so, that | C．such, that | D．enough, to |