—Could you please tell me________?—Yes,sure.
He may come, but I’m not sure _______ that.
—I find it difficult to learn English better.—______ you don’t give up, your dreams will come true.
These flowers are very _______. You can see them everywhere in my town.
The robots can ___ people under the buildings and can also ___ the sick people.
We will plant _______ trees next year.