以下关于金属烤瓷冠基底冠的描述中错误的是A．与预备体密合度好B．支持瓷层C．金瓷衔接处为刃状D．金

The ceremony has already started. Look! The flag is______now.

A．being raised

B．risen

C．being risen

D．raising

A.reason

B.motive

C.cause

D.point

A．Class has already started.

B．They should stop the car right now.

C．She doesn't have enough money to buy gas.

D．This isn't a good time to go to a gas station.

A.Tickets are available for future performances.

B.The performance has been canceled.

C.She wants to see the show tomorrow.

D.The performance has already started.

A．Class has already started.

B．They should stop the car right now.

C．She doesn"t have enough money to buy gas.

D．This isn"t a good time to go to a gas station.

A. Tickets are available for future performances.

B. The performance has been canceled.

C. She wants to see the show tomorrow.

D. The performance has already started.

Hurry up! By the time we get to the restaurant, the marriage ceremony ______ started.

A．shall have

B．will have

C．has

D．must have

听力原文：W: Hi, Bill. You are so late. The meeting has already started.

M: Oh, I originally thought I knew the way well enough. I drove 20 miles one way, then 6 another before I got here.

Q: What is the distance should Bill drive to attend the meeting？

(19)

A．20 miles.

B．6 miles.

C．14 miles.

D．26 miles.