What _______ great fun it is to play ______ game of basketball after a whole day of study!
May 12th,2008 is a special day,________, I think,that will be remembered by the Chinese forever.
I ______ him in time, otherwise he would have fallen off the bike.
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
---How do you think I can make up with Qiong? ---Put aside_____ you disagree and try to find_____ you have in common.
“If" he added, “________ to carry out the plan, we would surely make a big profit for our company."