More and more people like shopping online. They mostly receive what we buy by_______.
| A．Internet | B．air |
| C．express | D．train |
----Mike. Is that smart phone___________?
---- Yes. My mother bought it for me yesterday.
| A．yours | B．yourself |
| C．your | D．you |
Sarah looked at______finished painting with________ smile on her face.
| A．a; the | B．the; a |
| C．a; a | D．the; the |
I don’t know when my son back, but when he back, I’ll call you.
| A．comes；comes | B．will come；will come |
| C．comes；will come | D．will come；comes |
This is the factory his father worked last year.
| A．that | B．when |
| C．why | D．where |