Our English teacher __________ to England. She'll come back in ten months.A. have beenB. has beenC have goneD. has gone
We are happy ______ our success.
Most students have ______ homework to do every day.
Now telephones are very popular and they are much ______ than before.
– How much does it cost? – Four ______ yuan.
Ricky was ill yesterday, ______ he had to stay at home.