The noise of the desks _____ could be heard in the next classroom.
| A．being opened and closed | B．opened and closed |
| C．having been opened and closed | D．to be opened and closed |
English is a language shared by several diverse cultures, _________ uses it differently.
| A．all of which | B．each of which | C．all of them | D．each of them |
We won’t start the work until all the preparations __________.
| A．are being made | B．will be made | C．have been made | D．had been made |
---How long have you been learning English? ----_________! Your English is so good.
| A．You can’t be serious | B．You got it |
| C．I couldn’t agree more | D．I’m stuck |
My parents always _______ great importance to my getting a good education.
| A．have | B．attach | C．accept | D．pay |
Life the like ________ ocean; Only ________strong-willed can reach the other shore.
| A．an; the | B．the; a | C．the ;/ | D．/ ; a |