. They are teachers and don't realize the basic/primary rules and principles _____ to start and run a company.

. The teachers hope the little ________ has been learned will be useful when they leave school.

. “This is a window, ________ the sun comes in.” said the lady to her baby.

You’d better use another dictionary/change another book, because ________ page of the dictionary/book is torn(,) and ________ cover looks very out(-)of(-)date/old

– Put ________ waste bag in the dustbin

– It’s not ________ waste bag, It’s my shopping bag

a; a            B) the; the         C) a; the         D) the; a

_________ friend of my sister’s will come to see her tomorrow I’m wondering what ________ man he is going to be like

“Professor Wang is at work in ________ office” Miss Brown said in ________ low voice

E-mail, which has been widely used in ________ recent years, is ________ good way of ________ communication

Some people will not know ________ value of ________ friendship until they lose it

Having ________ fair attitude towards people with different ideas is ________ indication that one has been well educated