With a lot of difficult problems________, the newly－elected president is having a hard time.

I’d rather have some wine， if you don’t mind. — ____.

I didn’t hear you come in at noon.—That’s good. We tried _______ any noise. We wanted you to have a good sleep.

You’d better ride a bike to go to school _____ takinga bus every day.

Scientists have many theories about how the universe ___ into being