—What a cool day!How about climbing Mount Tai?—________.Let’s ask Yang Liu to go with us.
More than 20 people ________ in traffic accidents ________ last week.
— have you learnt English? —Since 2006.
I think skiing is ____ great fun.
-I have bought a Chinese – English dictionary? -When and where_____ you _____ it?
He has been in the USA .