54.（填空题）By the end of next month, we （find）___________a good solution to technical problem.

74.（单选题）I want to know ______ he has told you.

73.（单选题）You’d better make sure ______ he will come or not.

72.（单选题）______will take her place hasn’t been decided.

71.（单选题）______she will move to another city makes me very sad.

70.（单选题）______ surprised me ______ he couldn’t speak English.

69.（单选题）Limit your______ to what is necessary.

68.（单选题）______ they are faced with is ______ they should continue the work or not.

67.（单选题）Some learning difficulties ______ from the way children are taught at school.

66.（单选题）The boss asked me ______ Ididn’t finish the work on time.

65.（单选题）Is money______ to happiness?