--___________Sam__________ a sister ?…Yes, he__________.
They are ______________ exciting that they can jump up.
Tom is _________university student and he majors _________management at college.
---My English teacher said I’m hard-working. ---Really? You’re _______.
I don’t know if it ____ tomorrow. If it ___, I will stay at home.
If you don’t study English all the time, you’ll have a difficult time ____ it in the future.