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根據(jù)句意填入一個適當(dāng)?shù)脑~：

They have sent ________ several spaceships this year.

根據(jù)句意填入一個適當(dāng)?shù)脑~：

We had to work for hours to stop the ship ________ going down.

根據(jù)句意填入一個適當(dāng)?shù)脑~：

________ usual, the police went to help the passengers at the station yesterday.

根據(jù)句意填入一個適當(dāng)?shù)脑~：

The big box is ________ heavy to carry.

根據(jù)句意填入一個適當(dāng)?shù)脑~：

________ the way, Lucy called you a moment ago.

根據(jù)句意填入一個適當(dāng)?shù)脑~：

You should think ________ why he came back so late.

選擇合適的詞填空：

You can borrow the book ________ the library. (of, to, from)

Many foreigners enjoy ________ (live)in China.

根據(jù)句意用反義詞填空：

When the light is green, it's safe to cross the street. When the light is red, it's ________.

根據(jù)句意用反義詞填空：

You must remember to ________ rice. Don't waste.