—Is that Kate’s car?
—It ______be hers. She has just gone for a meeting.
A. can’t B. may C. mustn’t
I often discuss my work _____my parents _____ home .
| A．in； at | B．with ；at |
| C．about； in | D．at ；in |
Sometimes I like listening to radio because of _________advertisements .
| A．much | B．least | C．fewer | D．more |
She always has a smile ________ her face .
| A．in | B．on | C．at | D．in front of |
We are all _____in the _____ story .
| A．interesting interesting | B．interested interesting |
| C．interesting interested | D．interested interested |
“ Please” and “Thank you” are _____words , when you speak to others .
| A．friendly | B．not polite |
| C．useless | D．interesting |