It is known to us all that the People's Republic of China __________ on October 1，1949.
| A．was founded | B．was found |
| C．is founded | D．is found |
More than one-third of the Chinese in the United States live in California, _____ in San Francisco.
A. previously B. predominantly C practically D. permanently
---You are devoted herself_____ to her research and it earned her a good reputation in her field.
| A．strongly | B．extremely | C．entirely | D．freely |
She’s asked me_______ to build the church.
| A．how long it was taken | B．how long it had taken |
| C．how much time did it take | D．how much time it was taken |
No one has _____ been able to trace the author of the poem.
| A．still | B．yet | C．already | D．just |
The ship was _____ in a storm off Jamaica.
| A．drowned | B．sunk | C．wrecked | D．submitted |