根据要求,解答下列问题.
-- Anna, could you lend me this book, please?
-- I'm sorry. I it for only two days, and I haven't finished it yet.
两个向量共线是两个向量相等的 ( )
下课后,同学们针对蘑菇展开了争论,下列说法错误的是( )
Mr. White usually ____ (have) a shower after lunch.