A、 discovered
B、 invented
C、 found
D、 developed
答案:B
A、 discovered
B、 invented
C、 found
D、 developed
答案:B
A. Something
B. Everything
C. Anything
D. Nothing
A. me go
B. me going
C. I go
D. I going
A. bare
B. blank
C. hollow
D. empty
A. What’s up?
B. What’s on?
C. What’s wrong?
D. What’s right?
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.