Six people were killed in the riot(暴乱)，a policeman________.
A．include B．included
C．including D．to be included
He tried his best to solve the problem，________difficult it was.
A．however B．no matter
C．whatever D．Although
On the bus I saw a student I thought was your brother.
A. who B. whom
C. whose D. He
— Guess what? I went to Hainan Island last weekend.
— Really? You a wonderful time.
A.must have had B. should have had
C. can have had D. might have had
He was badly ill but to comfort his parents，he ________ an excuse that he was too tired.
A．made out B．took up
C．took out D．made up
From the ________ look of the boys，I found they were________.
A．satisfying；satisfied B．satisfying；satisfying
C．satisfied；satisfied D．satisfied；satisfying
