—What are you going to do tonight?— ______. If I am free, I may go to the cinema with my mother.
Finally, people found computers ________.
They still can’t decide ________ with our difficulties in learning math.
Everybody tells us we can’t pass the exam ________ we study hard.
– How do you learn English, Tony? – I usually practice English ________ chatting with my American friends.
---------Would you mind _________me carry the heavy box? ---------____________.