It just isn’t fair_____ I was working as a waiter last month; my friends were lying on the beach. . 
A whenever B. though C. for D. while
He’d arrived20 minutesearly______I can have time for a cup of tea.
| A．as soon as | B．as a result | C．in case | D．so that |
The new secretary has written a remarkably _____ report only in a few pages but with all the details.
| A．concise | B．clear | C．precise | D．elaborate |
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 |