—Who went to the park with you yesterday?—Li Lei _____.
All of us found ________ hard to get along with him, he was too strict with others but not with himself.
—Which of these two English books will you borrow?—I’ll borrow ____________ of them because they are very interesting.
A :—If you like ,just take it.B :_____.
Don’t worry, sir. I’m sure I can run _________ to catch up with them.
People have cut down many trees every year, so there will be fewer trees, ________?