It was during the Ming Dynasty________the Great Wall was repaired and extended to take on the appearance it has today.
| A．when | B．which |
| C．what | D．that |
If they win the final tonight, the team are going to tour around the city ______ by their enthusiastic supporters.
| A．being cheered | B．be cheered | C．to be cheered | D．were cheered |
---- Where is mother?
---- She is in the kitchen. She ______ the housework all morning.
| A．was doing | B．has done | C．has been doing | D．is doing |
---- How’s your new babysitter?
---- We ______ ask for a better one. All our kids love her so much.
| A．should | B．might | C．mustn’t | D．couldn’t |
----Please call me if there is a problem.
---- Thanks. I won’t ______ to ask for your help if I feel I need it.
| A．hesitate | B．bother | C．consider | D．doubt |
______ in diving suits, they walk around in this magic world, lighted by the lamps of the ship.
| A．Dressing | B．Dressed | C．To dress | D．Being dressed |