--- Does Mike always go on holiday together with his sister?---- _________. If he has his holiday the same as she, then they go together.
It was __________ back home after the experiment.
Do you think the concert last weekend was of __________?
The girl asked, "Could you help me solve the math problem?" "Of course, I can." he replied __________.
It was __________ computer games that cost the boy a lot of time __________ he ought to have spent onhis lessons.
Only in this way __________ to make improvements.