_______ did they play games?For two hours.[ ]

On April 12, 1961，_____27—year—old Yuri Gagarin(尤里.加加林)became the first human to go into_____ space.

There is _______ “i” in the word i phone .

__ his effort, it is more successful than wehave expected.[ ]

No one knew where Mr Smith lived ____ his daughter. [ ]