There is a small group of words which even some native speakers and writers of English find ______.

. It wasn’t long before they found that there was much trouble ___ the plan.

. Our country has a ____ history of 4000 years.

. When I handed the report to John he said that George was the person ______.

None would have dreamed of there _____ such a beautiful place.

. Zhong Nanshan is a famous expert who has _____ to ____ the origin of SARS.

. Now he has been used to ______ early for morning exercise.

When we returned from the ball, we found that our house ___ and many things __

If the building project ___ by the end of this month is delayed, the construction company ___ fined.

. He was lucky in the accident, but his ___________ car is under repair.