Mom, shall we have supper now—Oh, we won’t have supper _______ your dad comes back.

. He will tell us ________ he thinks of ourarrangement.

It will be hard for us to get up in the morning ifwe________ to bed too late.

—Does he know how to work out the problem? —Yes, he has _______ a good idea to solve it.

In some ways ,Lily and Lucy look , but the twins are a little different each other.