A student will probably attend four or five courses during each ________.

He asked me ___________ Zhang Hua came to school or not. 

水利水电工程环境影响报告书的编写提纲包括______。（ ）

水利水电工程影响报告书的编制要点有_____。（ ）

— What would you like to have, meat or fish?

— _____________________.

— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?

— _________________ 

You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.

It's ___________ to point to or talk about strangers in public.

— ___________________

— Once or twice a week.

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.

_____she comes or not makes no difference.

如图电路中电压U为_______。

第三代电子计算机使用的电子元件是______。

电子信函()的特点之一是________。

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.

— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?

— _________________ 

下列关于电子商务的说法正确的是________。

下列关于电子商务的说法正确的是________。