A dog’s eating habit requires regular training before it is ________ established.
A.properly B.widely
C.originally D.temporarily
— How does Jane put on so much weight?
— Large quantities of fat ____ recently.
A.are consumed B.is being consumed C.has been consumed D.have been consumed
There’s no doubt ______ hard work is the key to _____ your result.
A.whether; improving B.that; improving
C.whether; improve D.that; improve
The experiment shows that proper amounts of exercise, if_____ regularly, can improve our health.
A.being carried out B.carrying out
C.carried out D.to carry out
In the factory, there was a workshop_______windows were broken, so the workshop was so cold in the winter.
A.who B.which C.whose D.that
（2018·天津）Bob thought he couldn't go to the party because he had to write a report, but he went ___________.
A. at first B. after all
C. above all D. at random
