On the graduation day, he received from his father a nice present ______ a note was attached, saying “I’m proud of you.”

The traditional approach ________ with complex problem is to break them down into smaller, more easily managed problems.[ ]

Childhoodmemories _______ the new gardener that she has a little nature knowledge afterall

What do you think of the report about the airpollution on TV last night?—I think the situation is so thatwe should take action to protect the environment.A．serious

It isn’t decided yet _______ we will attend themeeting.