---You look a bit worried . ----It’s raining , but I ________my umbrella at home .
____________ careful you are, _____________ mistakes you’ll make.
–Would you please give me a hand and take the bookcase upstairs?---_______.
Jack sings better than ________ in his class. Which is WRONG?
He looks ________, he looks _______ at the crazy child.
–_______your sister _____? -She is friendly and helpful.