How long do you think it will be ______ the bus arrives here?– No more than five minutes.

There are some tales about dragons ______ ____ __ wings.

I am glad to be invited to Susan’s birthday party on Friday evening, Mum. — yourself, dear! But remember to be back before 10 o’clock.

You should your teacher’s advice if you want to improve your science.— That sounds great.

Do you know ________ Jenny comes to school every day?一Of course I do．She rides her bike．