We all feel it is Jack as well as his wife that ________ for their son’s bad performance at school．

are to blame

is to be blamed

are to be blamed

is to blame

The doctors ________ the food and found that it contained poison．

criticized

divided

analysed

checked

In order to prevent traffic accidents, drivers are ________ not to drive when they are drunk．

demanded

required

requested

asked

The miners demanded that safe measures ________ to make sure of their safety when working underground．

taken

being taken

must be taken

be taken

Learning to hunt is only an amusement for our human beings, but to animals, it’s a ________ of life and death．

affair

matter

thing

choice

It’s the teacher’s ________ to get pupils to develop the ability to explore and know about the world．

matter

business

thing

affairs

Some reporters are especially interested in hunting the private ________ of celebrities．

things

affairs

matters

business

I’d like to arrive 20 minutes early ________ I can have time for a cup of tea．

as soon as

as a result

in case

so that

He is rather difficult to make friends with, but the friendship of his, ________, is more true than any other．

once gained

when to gain

as gained

while gaining

It’s a program designed to ________ mainly to 10 to 16 year-olds．

appeal

attach

contribute

refer