Fill in the blanks with the given words in their proper forms(用所给单词的适当形式填空，每空格限填一词)

The old man is strange and ________ (change), so no one likes him.

用所给动词的适当形式填空

May I use your bike, Mary?

I'm sorry. I ________ just ________ (lend) it to Alice.

用所给单词的适当形式填空

It snowed ________ (heavy) last night.

用所给动词的适当形式填空

The Chinese scientists ________ (work) in the South Pole for three years.

用所给单词的适当形式填空

The ground in the South Pole is always ________ (freeze).

用动词的适当形式填空

Tom ________ (do) eye exercises every day.

用所给单词的适当形式填空

Hans Marko is from ________ (German).

用所给动词的适当形式填空

Where ________ (be) the new supermarket?

用所给单词的适当形式填空

This is not her shirt. It's ________(Mary).

用动词的适当形式填空

The bus ________ (come) . Can you see it?