—Will you give me a hand? I have some trouble_______ the scientific problem.—Don't worry. I'll try my best to help you _______.
--- When will you come to visit our city, on Saturday or Sunday? --- ___________ day is OK. I’m free at weekends.
Jack _____________. Now he can go to school by bike.
Jack seems _______ than you ______ ready for the exam.
He is _____ unusual writer. He can write _____ useful book.
Eating a lot of vegetables good for your health.