—The problem is very difficult. I'm afraid you can't work it out now.
— I fail this time, I will try it again.
| A．Even if | B．Since | C．As if | D．Though |
156. He cut the apple ________, and gave the big to his little sister.
| A．into half | B．into halves | C．in halves | D．in the half |
155. It has become the _____ for English families to go to the seaside in summer.
| A．habit | B．custom | C．hobbies | D．Rules |
154. If a man receives no _____ at home, when abroad he’ll have no hosts. (prov.)
| A．customers | B．guests | C．callers | D．Passengers |
153. If there has been burglary in your house, you should put_____round it before the police arrive to investigate the case.
| A．guests | B．ladders | C．guards | D．Poison |
152. At the news that 2004 Olympic Games would be held in Athens, the capital of _____, the _____ were very excited. They sang and danced to celebrated it all night long.
| A．Greeks; Greece | B．Greece; Greeks | C．Greeks; Greeks | D．Greece; Greece |