Little Tom admitted ______ in the examination, ______the teacher his word that he wouldn’t do that again.

lculations, had they been done by hand,______all practical value by the time they were finished

After marriage, the world-famous man, who was a leading role in physics, decided to give up his wife ________ his career（事业）.

It’s great fun to go hiking in the valley, but______, we shouldn’t turn a blind eye to the potential risks[ ]

Mum， Love Me Once Again is a very moving film. I___ it twice already.