— My colleague felt quite happy because his solution was closer now to ______．

— Congratulations!

A．having adopted? B．be adopted??? C．being adopted? D．be adopted

Eggs, meat, vegetables and other foods can easily be poisoned by microorganisms such as ______.

A. phenomenaB. dilemmaC. diplomaD. bacteria

When you go outing with your sisters, you must see to ________ that they are safe.

A. everything　　B. it　　　　　　　C. them　　　　　D. yourself

The most successful retired athletes are those who can ____ the life skills they learned in sports to another area of life.

A. contribute??????? B. employ?????? C. apply???? D. arrange [

The company in our city ______ those big investors from the West.

A. has a link withB. has a hand inC. is in line withD. is in charge of

You can’t complain of being lonely??????? you don’t make any effort to meet people．

A．untilB．whenC．onceD．though

These days, we _____ for our final exams.

A. are prepared B. have prepared

C. are preparing?? D. will prepare

The manager seemed to be doubtful about my ability, _______ I could see from the expression on his face.

A.this???? B. where???? C. that???? D. which

The general secretary stressed that what he had just said was only his _________view, not official intentions.

A. private???????? B. separate????????? C. personal????????? ? D. single

At present , the butter factory is still polluting the river though it _____to stop.

A. orderedB.has ordered C. will be ordered D. has been ordered