—Let’s go to the zoo.—____A. Good idea! B. Sure. C. That’s OK.
—Can I see the headmaster at the moment, please ? —I'm afraid not. He ________ out. He ________ in 10 minutes.
Italy is famous for ________.
There __________ great changes in our hometown in the past fifteen years.
We spend as much time as we can ______ English.
Not only this boy but also the girls __________ Hawaii before in our class.