Jim _____ likes documentaries. [ ]
A. too
B. also
C. and
D. either
答案:B
添括号a+2b-4c-5d=a-( )=a+2b-( )。
________ Lily ________ Lucy is going with you because one of them must stay at home.
A.Not only;but also
B.Neither;nor
C.Both;and
D.Either;or