It is ten years since we ________ each other last time.
A. see B. have seen C. saw D. had seen
More wild tigers have been seen in the forest around this area, ________ there used to be very few.
A. when B. where C. what D. which
It is usually warm in my hometown in March, but it ________ be rather cold sometimes.
A. must B. can C. should D. would
You can never be ________ when crossing the street.
A. very careful B. too careful C. carefully enough D. enough careful
________, you need to give all you have and try your best.
A. Being a winner B. To be a winner C. Be a winner D. Having been a winner
Before Sally left home, her mother kept telling her to ________ her manners at the party.
A. notice B. care C. mind D. observe
