hardly rung the bell ________ the door was opened suddenly, and my son rushed out to greet me.

They would rather spend time _____ than _____ in the street.

y had a lot of parties recently.— Yes, that might whyhe didn’t do well on the test.

The Chinese teacher looks so pale. She ___ be ill.

下列词语书写全部正确的一组是（　　）