. It was not until she got home ___ Jennifer realized she had lost her keys.
Not until they left school how much their teachers loved them and helped them.
It’s nice to see you again. What since we last met?
— Shall we take the 10:20 train? —No. If we took that train, we too late.
— I had thought he would be nervous in this speech competition, but he turned out to be calm. — He quite enough preparation for it.
Don’t give up regardless of difficulty and failure, you’ll never achieve your goals.