He _____ on this essay for twenty minutes but he _____ only a hundred words.A、has bee
A.has been working; has written
B.is working; writes
C.has worked; has been writing
D.works; is writing
- · 有4位网友选择 B,占比40%
- · 有4位网友选择 C,占比40%
- · 有1位网友选择 A,占比10%
- · 有1位网友选择 D,占比10%