_____ Mom had asked Jack to close the window before he went out,______ he forgot to do it.
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.
The Olympic Games of 2016 will ________ in Brazil.