—I haven’t seen your grandfather for several years. Where has he gone?—Oh, he _____ for two years.
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.
We stayed at a very nice town. But I can’t remember ______ name of it.