A．根据句意和汉语提示写出单词，完成句子。每空限填一词。（5分）

66．Can you see the words on the blackboard____________ (清晰地), Tom?

67．I was doing my homework ______________(当……时候) my father was reading newspapers．

68．We hope you can          (接受)our invitation and join us．

69．What an               (糟糕的) day! I lost my money and keys again．

70．Look! The ground is ____________(覆盖) with deep snow．

B．根据句意用所给单词适当形式填空，使句子完整。每空限一词。 （5分）

71．I think ___________ (nature) food is good for our health．

72．Every year many ____________(tour) go to Zhalong to watch the birds．

73．If you take a map , you will not easily get _________( lose)．

74．The twins are old enough to look after ____________( they)．

75．My favourite subjects are _________( France ) and Maths．