Mother thinks it is a (浪费)of time to play computer games.
她经常帮父母做家务.(help with)
.
It's very important for us to learn Chinese well.
He is always ready to help people in need.
他说得太快,不能清楚地表达自己的想法. .
人生就像一场赛跑,你要么领先,要么落后. .