“Shall Mary come and play computer games?” “No, _______ she has finished her homework.”

ike fingerprints, each person’s DNA is ________unlesshe has a twin.

Do you like history—No. I think it’s _______.

Shall we meet at the station at 8 a.m. — In fact we ___. The train ____ until 10 a.m.

Passion is passion and it doesn’t matter ________ it’s directedExactly，it can be coins or sports or politics