As teenagers, we're old enough ________ with housework. We can help set the table, wash the dishes and clean our own rooms.
A:to help
B:helping
C:helped
____时
____:____
请据此回答:
人类在改造自然与社会的过程中,使艰苦奋斗的创业精神逐渐积淀成为一种崇高的美德,成为后人继往开来,创造更加辉煌灿烂的物质文明、政治文明和精神文明的巨大动力。艰苦奋斗精神体现为( )