.When people move to another country, they often try ________ the customs of their native land.
| A．to keep on | B．to keep off | C．to keep up | D．keeping up |
____ happened to be no one in that house when the typhoon hit the area.
| A．It | B．There | C．This | D．That |
_____, as long as I’m with nature, I don’t care.
| A．However tough the voyage is | B．Whatever tough the journey is |
| C．However the voyage is tough | D．Whatever the journey is tough |
Cao Cao’s tomb is reported ____ in China, which attracts nationwide attention.
| A．being found | B．to be found | C．having been found | D．to have been found |
He came to realize ____ his talent lay---in drawing.
| A．where | B．when | C．how | D．what |
Keep your slides simple. If they have too much text, people ____ well feel bored.
| A．may | B．must | C．need | D．can |