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選擇括號(hào)中所給詞的正確形式填空。

Jack runs ______ (fast, faster) and faster.

選擇括號(hào)中所給詞的正確形式填空。

Look! Some children are ______ (skated, skating) on the lake.

選擇括號(hào)中所給詞的正確形式填空。

We must stop the boys from ______ (play, playing)football on the street.

根據(jù)句意從包括中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

（look up, fall in, be late for, help, look for）

I got up late yesterday. I ______ school.

根據(jù)句意從包括中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

（look up, fall in, be late for, help, look for）

If you don't know the word, you can ______ it ______ in a dictionary.

根據(jù)句意從包括中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

（look up, fall in, be late for, help, look for）

That book ______ me a lot in learning English.

根據(jù)句意從包括中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

（look up, fall in, be late for, help, look for）

You must not go out on the thin ice or you______

根據(jù)句意從括號(hào)中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

（look up, fall in, be late for, help, look for）

I ______ my watch now. I can't find it.

根據(jù)句意從方框中選出恰當(dāng)?shù)脑~語(yǔ)并用其正確的形式填空。

too… to, get ready for, stop, finish, look out

______! Don’t fall into the river.

用所給單詞的正確形式填空。

If he ______ (return) tomorrow, let me know.