根据中文提示及单词适当形式填空。

71.He’s trying _________(go) out,

72. Can you __________(come) to my house for dinner? Sorry, I can’t

73,Who is ___________( heavy), Wang Lin or Lin Tao?

74 It is very important ________( learn) English well. So I enjoy________(read) English.

75, Fruit is ___________ food , but hot dogs are __________ food.( health)

76 I went to the zoo         __(一次).

77 I have a          __ (头痛)

78I’m planning to spend time in the beautiful         __ (乡村)

79I like to         __（骑）my bike on the weekend.

80Thank you for your        __ (邀请)