No more having to buy expensive textbooks which you will only use for a year or two and then sell or _______ away. 

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

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

Provide any information specifically _______ in the job advertisement such as availability date, or references.

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

— _____________________.

The leader ______ at creating opportunities to provide rewards, recognition and thanks to his or her staff.

— 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.

 Juvenile delinquency ___________criminal acts committed by children or teenagers, specifically anyone below the age of eighteen. 

—________________ about it now?

—Every time a customer has complained we've followed our store policy and offered them an exchange or a full refund.

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

— Beijing, of course.

The following hints may help you stay energized, or at least ___________ until you can make the time for rest.

_____she comes or not makes no difference.

根据声像图，此为胎儿哪一器官______。