Tom sat under a tree and seeing his friend, __ up in no time.
| A．to stand | B．standing | C．stood | D．would stand |
The West Lake we visited last year was really_____ attraction and we'd like to visit it _______ second time next year.
| A．\; a | B．the; the | C．an; a | D．\; the |
He ________ in American for five years, and now he works in Shanghai.
| A．have worked | B．worked | C．had worked | D．have been working |
Mary was born in 1752 in a rich family in _____ is now the state of Virginia.
| A．which | B．where | C．that | D．what |
Many Chinese have lived abroad for years, but they still _____ the traditional customs.
| A．observe | B．behave | C．perform | D．struggle |
Judging from her _______ look, I know it is a very _____ situation to her.
| A．confused; confused | B．confusing; confusing |
| C．confusing; confused | D．confused; confusing |