1.My mother often ask me _____ when Idon't feel well.
A.what the matter is
B.what is wrong
C.what the problem is
D.what wrong is
2. I never seem to lose any weight,_____ hard I try.
A.even though B.no matter what C.as if D.ever since
3.Is this the museum_____ you visited the other day ?
A. that B. where C. in which D. the one
4. ______ the window, my hard was cut unexpectedly.
A. Cleaning
B. To clean
C.While cleaning
D.While I was cleaning
忙烦讲解一下,谢谢。