After chatting happily with the new student in my class, I gave her my QQ number and she gave me .

The teacher called Tom to his office because he wascaught ______ in the exam

let any failures discourage you, for youcan never tell ________ close you may be to victory

I can’t tell when that house ______ exactly, but it must be very long ago.

There are many shops on ________ side of the street.