题目内容

乔治正在制作一个书柜。 George is ______ a _____.

A. making, bookcase
B. make, bookcase
C. make, bookcases
D. making , bookcases

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你打算做什么? What are you _____ to _____ ?

A. going, doing
B. going, do
C. go, do
D. go, doing

请给我那把大锤子。Please _____ me that big _____.

A. giving, hammar
B. give, hammar
C. give, hammer
D. giving, hammer

他打算把书柜漆成粉红色。He is _____ to ______ the bookcase _____.

A. going, paint, pink
B. go, painting , purple
C. going, painting, pink
D. go, paint, purple

线性方程组的基础解系是( )。

A. 线性相关的
B. 唯一的
C. 不确定的
D. 不唯一的

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