1. 单项选择。
There isn't ______ energy on the Earth.
A. too many
B. too much
C. so many
答案:B
解析:too many 和 too much 都译为"太多"。too many 用来修饰可数名词,too much 用来修饰不可数名词,so many 意为"如此多",也用来修饰可数名词。
2. 按要求改写句子。
We should use plastic bags.(改为否定句)
We ______ ______ ______ plastic bags.
答案:should not use
解析:将含有情态动词的句子改为否定句,直接在情态动词的后面加上 not。
3. 单项选择。
My ______ are watching TV in the living room.
A. house
B. home
C. family
答案:C
解析:从题目中可以推断出是"我"的一家人在看电视,表示家庭成员用 family。

should
; not
; use
; C