That ( is / are) my pen.

1. That ( is / are) my pen.

【考点】

be动词;

【答案】

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选词填空（单句）普通

1. His small teeth (be) sharp.

语法填空（单句）容易

2. Those pears (is/are) for Helen.

选词填空（单句）容易

3. How much they? （be）

语法填空（单句）容易