Most of us know we should cut down on fat, but knowing such things isn’t much help when it shopping and eating.[ ]

nd girls, will you please ____the park this afternoon —-OK.

It’s up to you ________ when we will start.

下列各句中加点词的解释不完全正确的一项是（  ）

.It was _____ his mother came in _____ to prepare his lessons.