30.----Who is the man over there.It can’t be Li Lei,_______.----- _________.It must be John.30.----Who is the man over there.It can’t be Li Lei,_______.----- _________.It must be John.I saw Li Lei in the classroom just now.A.is it; Yes,it is B.can it; No,it can’t be.C.can it; Yes,it must be D.is it; No,it isn’t
问题描述：
30.----Who is the man over there.It can’t be Li Lei,_______.----- _________.It must be John.
30.----Who is the man over there.It can’t be Li Lei,_______.
----- _________.It must be John.I saw Li Lei in the classroom just now.
A.is it; Yes,it is B.can it; No,it can’t be.
C.can it; Yes,it must be D.is it; No,it isn’t
答
b 前否后肯 表否定推测 用can't be
答
B
答
选D,当can't 表示否定推测时,后面的疑问部分应该用后面动词的相应形式.
答
选A，这是反义疑问句，前面有it can't........后面要用肯定句回答