Whoever does not have a mobile phone must borrow _____because you will certainly need ____ for the tour

geles Times reported that researchers may have found a way to ______ human life by changing certain genes, so that humans might expect to live twice as long.

It’s not _______ to judge a man only by his look．You ought to know more about him．

Parents shouldn’t do everything for us, or we won’t learn to depend on ______.

Not only ______ in photography, but _____ anamateur courses to update my skills.