After he was promoted to the present position, he is not so hardworking as he ________．

was used to

used to be

was used to being

used to

What actually ________ the accident has not yet been determined．

brought out

brought on

brought about

brought up

The Education Department says that school safety has set off alarm bells with frequent reports of serious accidents ________ students got injured or killed．

after which

in which

by which

for which

At school, it is essential that every child ________ equally regardless of family background．

treating

treated

be treated

is treated

________ every year, many people do not hold a high opinion of the CCTV Spring Festival Gala, it has become a somewhat necessary part of the festival．

As

Therefore

While

Since

Some people suggest changing the date for the college entrance exams into ________ Saturday and Sunday of the first week of June, which I think is ________ good advice．

/;/

the; the

the; a

the;/

I think you should complain, ________ of course, you are happy with the way things are．

if

unless

as

because

It is known to all that every minute ________ full use of ________ the lessons will benefit students a great deal．

which makes; studying

when made; to study

that made; to study

when is made; studying

Every day the boy, together with his classmates, ________ to go to the playground and play football, ________ themselves．

are noticed; enjoying

is noticed; enjoys

are noticed; enjoys

is noticed; enjoying

Actually, ________ works hard can be ________ they want to be, whether it is a pilot, an engineer or a manager．

anyone; whoever

whoever; whatever no matter

whoever; whatever

who; whoever