I think ______ is necessary ______ us to do something useful to protect the birds.
| A．this; for | B．it; of | C．this; of | D．it;for |
My brother is one of _________ in Class Three.
| A．the tallest student |
| B．the tallest students |
| C．tallest students |
| D．taller student |
Our class is going to take a _________trip to Suzhou and we excited about it.
| A．three day | B．three-day |
| C．three days | D．three-days |
I was ten _________ late for school this morning because of the traffic jam.
| A．minute | B．minutes | C．minutes’ | D．minute’s |
David talked with a friend of ________ on the Internet for a long time yesterday.
| A．he | B．his | C．him | D．himself |
His brother was born ______ June 16th, 1983.
| A．in | B．at |
| C．on | D．for |