He ______ at once when I promised to help him.

I suggested there ____ be a kind oflanguage all could understand and use ____ .

Lily doesn’t know ________ she and her friends can doto help the little boy ________ parents have left their hometown for makingmoney.

You did not let me drive. If we ____in turn, you wouldn’t be so tired now.

My name ____ Jack. Liu Ying and Sun Mei ____ my friends.