—Why are you so tired these days?—Well,I have________homework to do.
Jackfailedtopassthefinalexam. ---_______.
We_______sixdaysaweek,butweonlyworkfivedaysnow.
—When _______ this stone bridge______ ? —In 1935.
They were _______ when they heard the _______ news.
I _____ singing to dancing.