---May I serve your dishes, sir?
---_____________．
| A．No, go ahead | B．Yes, help yourself | C．Hurry up | D．Yes, please |
John, look at the time. __________you play the piano at such a late hour?
| A．Must | B．Can | C．May | D．Need |
The new laws___________reducing the heavy traffic have come into___________.
| A．aiming at ; use | B．are aimed at; effect |
| C．aimed at; affect | D．that are aimed at; effect |
Water,________seems so simple and common, is___________makes life_________.
| A．that; that; possible | B．which; that; impossible |
| C．which; what; possible | D．what; which; possible |
______as animals, the children came on the stage and started to perform.
| A．Worn | B．Wearing | C．Dressed | D．Dressed in |
The young dancers look so charming in their beautiful clothes that we took ____ pictures of them.
| A．many of | B．masses of | C．the number of | D．a large amount of |