The students _______ a video about Barack Obama’s speech The Change We Need at 7:00 tomorrow evening in the classroom.[ ]

There is _____ “s” and _____ “u” in ______ word “use”.

men athletes achieved great success intile 2012 London Olympic Games.–Yes. No one else could perform ________, I think.

It is high time for us to tD．diedown

The River Nile is said to be ____ longer than this one Which is wrong? [ ]