—I like this dress better than that one.— ____, but it costs almost twice____.
This is the first study to compare the effects of the new drug with its side effects.
All animals in nature must learn to to a changing environment in order to survive.
Paul was not allowed to work he was fully recovered from the flu.
Assistance dogs are trained to help disabled to live more independent life.
— Leo, I finally persuaded my mother. — So we can go to the basketball club tonight.