It is very important for us to _______and work hard.
| A．keep fit | B．keep fat |
| C．keeping fit | D．keeps fat |
The woman _______ is singing in the hall is our teacher.
| A．what | B．which | C．who | D．whom |
Jessica's parents always encourage her ________ out her opinions.
| A．speak | B．speaking |
| C．to speak | D．will speak |
I still remember the college and the teachers________ I visited in London years ago.
| A．what | B．who | C．that | D．which |
—What kind of music do you like? —I like music ______ I can dance to.
| A．because | B．when |
| C．who | D．that |
This is the most beautiful garden _____ I have ever seen.
| A．which | B．who | C．whom | D．that |