单项选择题
This kind of cloth is durable, cheap and （）.
A.easy to wash B.ease of washing C.washing easily D.ease to wash
单项选择题 Alex works harder than （） in the office.
单项选择题 We believe that sales will increase soon; （）, production costs will be going up also.
单项选择题 Our travel counselor will both plan your trip and （）.
