--- You never feel worried before an exam, how can you? ---Well, I’ve been working hard all the time. Surely I am _________ any exam.
____ do you study for tests? I work with my friends. A. How B. Who C. When
I study math by ____ lots of exercises. A. did B. doing C. do
Nobody says a word about the accident, ______?
Did you hear ______?
They aren’t from Japan, ______ they?