Don’t worry. I’m sure things will get better .

John’s success has nothing to do with good luckIt is years of hard work _______has made him a great scientist today

As we all know , bad eatinghabits and a of exercise may lead tohealth problems .

The number of deaths from heart disease will be reduced greatly if people ______to eat more fruit and vegetables.[ ]

When in Japan, he ______some Japanese and now he can speak it.