— Does Jim do his new job well? — __________ his old job. — How stupid! I fear there's no hope for him.
The country has _______ great changes and become a developed one.
We are often _____ by the doctors to eat more healthy food and take plenty of physical exercise.
We asked the teacher to explain _______.
—Did you see a man in black pass by just now?—No, sir. I ______ a newspaper.
Only by working hard can you ______ the goal.