What the doctor really doubts is ______ my mother will recover from the serious disease soon.
The girl is badly injured. You’d better _____ first aid to her before taking her to hospital.
--It’s a good idea. But who is going to ____ the plan?---I think Tom and Greg will.
The number of people invited ____ fifty, but a number of them ____ absent for different reasons.
We are interested in the weather because it ___ us so directly what we wear, what we do , and even how we feel.
If you buy the family-size box, it will ___ you $ 1.