Listen! There must be someone _________ through the jungle.
A. trek B. treking C. trekking
----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 |
Jack with his two kids to the beach for vacation every year.
| A．go | B．goes |
| C．went | D．are going |