【单选题】
The estimated quantity of rice per acre [填空]5 tons.
【单选题】
Poor health can be[填空] to unemployment.
【单选题】
I’ve made friends with an English?girl??[填空]name?is Lily.
【单选题】
You [填空] look for exercise opportunities all the time.
【单选题】
He said that it ?[填空]nine then.
【单选题】
I was going to write, [填空] I lost your address.
【单选题】
Before?he came to China, he??[填空]Chinese for three years.
【单选题】
The sandwhich course, [填空]I have been on for a week ,is really excellent.