—Will you give me a hand? I have some trouble_______ the scientific problem.—Don't worry. I'll try my best to help you _______.
To our_______, the little girl is the first to go to bed.
— What’s the matter with you? — I ______a headache.
-Excuse me, do you have any story books? - Sorry, I don't have_______. Ask Mary. I think she has_______.
Excuse me, _______ do you say that in English?
We often go to school_______ bike but today we all come to school_______ the school bus.