【C6】A．onB．forwardC．overD．together

Supporting my family is the driving（) that pushes me.A spiritB forwardC forceD feature

We can surely overcome all difficulties that may come up.A.get onB.come overC.get overD.c

A．onB．upC．overD．upon

【C6】A．onB．aloudC．throughD．about

【C6】A．onB．forC．asD．in

【C18】A．onB．inC．overD．of