I ________ washing dishes.

[　　]

I'm not ________ what to say.

[　　]

We can _________ a lot of knowledge at school.

[　　]

In Thailand, dumplings are very delicious for a ______.

[　　]

--What's your favorite kind of dumpling?

--I love ________ dumplings.

[　　]

--How do you boil eggs?

--First, put some water and eggs in a pot. _________, turn on the heat.

[　　]

He looked ________ the key, at last he _________ it in his bag.

[　　]

单选

The man often wear a coat ________ four pockets.

[　　]

单选

They use ________ to communicate with others.

[　　]

单选

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