We’d better discuss everything ________ before we work out the plan．

in detail

in general

on purpose

on time

Recently a survey ________ prices of the same goods in two different supermarkets has caused heated debate among citizens．

compared

comparing

compares

being compared

Teachers have to constantly update their knowledge in order to maintain their professional ________．

consequence

independence

competence

intelligence

It was never clear ________ the man hadn’t reported the accident sooner．

that

how

when

why

In that school, English is compulsory for all students, but French and Russian are ________．

special

regional

optional

original

Between the two parts of the concert is an interval, ________ the audience can buy ice-cream．

When

Where

that

which

The fact that so many people still smoke in public place ________ that we may need　antionwide campaign　to raise awareness of the riks of smoking．

suggest

suggests

suggested

suggesting

Is si generally considred unwise to give a child ________ he or she wants．

however

whatever

whicecer

whenever

The police still have I found the lost child, but they’re doing all they _________．

can

may

must

should

Dr．Peter Spence, _________ headmaster of the school, told us, “_________ fifth of pupils here go on to study at Oxford and Cambridge．”

不填；A

不填；The

the；The

a; A