The bell _______ the end of the period rang, _______ our heated discussion.
| A．indicating; interrupting | B．indicated; interrupting |
| C．indicating; interrupted | D．indicated; interrupted |
________they visited the Science Museum，they showed great interest in everything they saw.
| A．The first time | B．For the first time | C．At first | D．At the first time |
John, get up! I’m afraid you won’t have time to ______ before going out.
| A．get to change | B．get changing | C．get change | D．get changed |
I want to buy that kind of cloth because I _____ the cloth _____ well.
A have told; washed B have been told; washes
C was told; washed D have been told; is washed
Two building workers got seriously wounded when the stadium _______.
| A．was built | B．was being built | C．built | D．is being built |
Fur coats are good means to ______ people from frost bites in cold winter.
| A．stop | B．prevent | C．protect | D．keep |