These are little rabbits lovely, ______

Look, the old man is walking slowly in the middle of the street. It’s too dangerous.— You’re right. Let’s go and help him go ______ the street.

When a new disease breaks out，experts mustwhat to do in the fastest way．

We’ll learn _____ benefits us no matter which countryit comes from.

Our teacher usually gets to school a little _______ than our students.