It is often________that one trouble never comes aloneIn my rush to leave I forgot to take the plan I had made the night before[ ]

I’m going to be ______ engineer.

What a beautiful dress！Canyou tell me _______— Just the day before yesterday.

When I get puzzled about some difficult problems, my teacher always encourages me and says, “Take it _________ .”

The book is very good, but I don’t have the money 钱.–You can your mother some money.