We got up early________ we were in time for the first bus to Shijiazhuang

Yourgrandfather is always full of What’sthe secret —PlayingTaiji every morning

What have you learned from your experience in Thailand?—Well, meeting people from another culture ______ be very difficult．

Diaoyu Islands _________China ever since ancient times.

The maths problems are too hard, only ______ people can work them out.