_______ it is so hot, I guess we can’t do anything until after dark.

Anyway, Jack knows _______ help about travelling .

I rang the bell for a long time last night, but no one opened the door.— Oh, the family __________ a party and they didn’t hear the bell.

Betty, your English is very good. have you learnt it?－For about 5 years. [ ]

She_______ this book for 3 years, She______it in 2010.