--Mike, can you tell us something about our new teacher? -- Oh, sorry. I know nothing because I     _ him before.
#52710
A
saw
B
didn't see
C
have seen
D
haven't seen
推荐题目
Thousands of houses _______ by the floods in Guangxi last month.
#63736
A
destroy
B
destroyed
C
have destroyed
D
were destroyed
_______ drive too fast. There are too many people.
#53219
A
Not
B
No
C
Don’t
D
Doesn’t
I don’t mind _______ scared, so I’ve made up my mind ______ the horror film.
#60591
A
feeling, to watch
B
feeling, watching
C
to feel, to watch
D
to feel, watching