The kidney transplant operation was _____ complicated, so the operating team had to take special care to ensure its success.

（ ） student with a little common sense should be able to answer the question.

It is very expensive to （ ） the fashion.

Her （ ） to the job left her with very little free time．

“（ ） everyone’s here,” she said, “let’s begin to discuss the solution to the problems we have found．”

It’s vital that enough money_____collected to get the project started.

Many students thought about the third question for quite a while and had great difficulty answering it. Obviously, it was _____ all.

No sooner had he sat down to lunch （ ） there was a knock at the door.

My children are looking forward to （ ） a trip to Paris.

（ ） he often forgot their wedding anniversary greatly annoyed his wife.

It was in the factory （ ） you worked five years ago （ ） you learned the technique.

Mary likes classical music _____ her brother likes pop music.