Doyoumindmysmokinghere —________

Why do you always go to Lanzhou University on weekends— Because there’re lots of great speakers I can practice English ________ in the English Corner there.

______ with the size of the whole earth, the biggest ocean does not seem big at all [ ]

Why ____ you join the art club You like painting (画画) so much.

Whenever we are in _____ trouble, we should never lose _____ heart[ ]