51、-----This problem is far_____ me;I’m afraid I can’t work it out. -----Don’t worry;we will help you.

44、I saw Jeff in the park.He _____ on the grass and reading a book.

43、--Are Sandy and Kate ___good friends? --Yes，they are.Please look after____.

42、--_____people are there in your family? --Three.

41、_____ you smile at others，they will smile back.

40、If she doesn＇t want to go， nothing you can say will __________ her.

39、This food is free.You don＇t have to _____ it.

38、Most of the artists _______ to the party were from South Africa.

37、Franklin told them all _____ to be in Britain again.

36、The workers will build a new railroad_____ the two cities.

35、All the teachers love Mary.She is very _____ in answering teachers＇ questions in class.