问题

Have you seen_penI left it here this morning.-ls it_ black oneI think I saw it somewhere.

A:a，the
B:the，the
C:the，a
D:a，a

正确答案是：

同类题型

_________ animals are in danger and there will be _______ space for them if we don’t take any action.

对下列句中加点词语的解释，正确的一项是（　　）

You can get to Hong Kong using different kinds of ________, by air, by sea or by land.

What did the teacher say—The teacher told us at the Capital Museum on time.

Lucy is looking for and ____she can also communicate with a large number offoreigners