The population of China is _______ than that of America.
| A．larger five times | B．five times larger | C．as five times | D．as five times larger |
—Wow, you have a really good voice. I_____ you were good at singing.
—Thank you.
| A． haven’t known | B． hadn’t known |
| C． didn’t know | D．don’t know |
The main street is lined with small stands and shops _____ sell almost anything you can imagine.
| A． what | B． where | C． who | D． which |
To my great disappointment, my best friend left the city I could have a word with her.
| A．before | B．after | C．while | D．until |
The stadium is very splendid and attractive in appearance, may be imagined.
| A．it | B．what | C．as | D．that |
I wondered why John kept it a secret. It was not until he three times that he told me the truth.
| A．asked | B．was asking |
| C．had asked | D．had been asked |