Shanghai is one of _______ in the world .
| A．more big city | B．the biggest city |
| C．the biggest cities | D．the most big city |
You’d better ______ others during the night. It’s not polite.
| A．phone | B．not phone |
| C．to phone | D．not to phone |
—You look so happy . Any good news ?
—Yes . ________ I walked out of our school , I met an old friend .
| A．As | B．While |
| C．Since | D．Until |
The movie Batman and Joker is ______ one that I've ever seen.
| A．more exciting | B．more excited |
| C．the most exciting | D．the most excited |
Their school has more than two _____ teachers and _____ students.
| A．hundreds of, thousands of | B．hundred, thousands of |
| C．hundred of, thousand | D．hundreds, thousands of |
The____ you are , the ___ mistakes you will make .
| A．more careful , fewer | B．more careful , less |
| C．more careful , few | D．careful , little |