When ____ help, you should say “thank you.” or “It is kind of you”.
If you _____ the bottle and cigarettes, you we’ll be much healthier.
— Will 1000 dollars ______ the bill? — Of course, more than sufficient.
—You must do as I told you. — ______ I don’t?
Robert failed to seek a job for his poor education, though he is _______ to get one to support his family.
More highways have been built in China, ______ it much easier for people to travel from one place to another.