选用适当的动词填空．

选用适当的动词填空．

I'll never forget ________ you for the first time. (meeting, to meet)

选用适当的动词填空．

I _______ (tried to cook, tried cooking), but I failed.

选用适当的动词填空．

We should _______ (try to do, try doing) everything well.

用所给词的适当形式填空。

It's dark and hot in a rainforest. We can't see anything ____ in a rainforest.

用所给词的适当形式填空。

Mice are____ than rabbits.

用所给词的适当形式填空。

Water is important to all ____ things. We can't live without it.

用所给词的适当形式填空。

It's one of ____fishes in the world. We must be far away from it.

用所给词的适当形式填空。

It's____colder than yesterday. You shouldn't go out.

用方框中所给词的正确形式填空。

Because our parents are too busy, we should often help them do house ______.