题目内容
Mr.Smith didn’t understand ________ made his son so upset that evening.
A.what was it
B.why it was this
C.how that was
D.what it was that
.—____
—Sorry, I don’t know.
A.Have you seen Mr.Smith? | B.Where has Mr.Smith gone? |
C.How about Mr.Smith? | D.Hello, Mr.Smith. |