Did you callon any of your old friends when you returned to your hometown—_______ ofthem. They were all very busy.

Sugar is not an important element in bread, but flour is _______. [ ]

The engine of the bus was _________,and the bad weather added to the worries of the passengers.[ ]

True friendship is like sound health,________ the value is seldom known until it is lost.

填入下面空缺处的语句，最恰当的一项是我需要清静……最好去处是到个庙宇前小河旁边大石头上坐坐， 。雨季来时上面长了些绿绒似地苔类。雨季一过，苔已干枯了，在一片未干枯苔上正开着小小蓝花白花，有细脚蜘蛛在旁边爬。