We live day by day, but in the great things, the time of days and weeks ________ so small that a day is unimportant．

A．is

B．are

C．has been

D．have been

English is a language shared by several diverse cultures, each of ________ uses it somewhat differently．

A．which

B．what

C．them

D．those

It's a pity that many people treat ________ the pupils do in spare time as something unimportant．

A．that

B．what

C．which

D．how

A person's ________ body temperature is about 37℃．

A．ordinary

B．normal

C．common

D．usual

At a rough estimate, he must have made ________ in the past 20 years．

A．ten times what his parents earned

B．ten times what his parents have earned

C．ten times as much as money his parents earned

D．as ten times much money as his parents have earned

You can't predict everything．Often things don't ________ as you expect．

A．run out

B．break out

C．work out

D．put out

People will ________ this environment project in several years．

A．benefit

B．benefit from

C．be of great benefit from

D．be benefited from

________ that human cloning is totally illegal．

A．It points out

B．As is pointed out

C．That is pointed out

D．It is pointed out

The coach is an able man, but ________ he wants too much of people．

A．on one hand

B．on the other hand

C．otherwise

D．in fact

William found it increasingly difficult to read, for his eyesight was beginning to ________．

A．disappear

B．fall

C．fail

D．damage