It’s very wise of you to ________ well trained workers _____ untrained ones in the
assembly line.
| A．substitute; for | B．substitute; with | C．replace; with | D．instead; by |
I am very busy with urgent things ____ every minute of the day.
| A．to fill | B．filled | C．filling | D．fill |
–I think we can do it right now . Not tomorrow .
--__________! Let’s get down to it now.
| A．I’m sorry. | B．Come off it |
| C．You’re dead right | D．Absolutely not |
He had hoped to tour the deserted temple for ____ fun but to his disappointment he didn’ t find ___ fun for doing that at all .
| A．/; / | B．/; the | C．the; the | D．a; the |
Last week, only two people came to look at the house, _______ wanted to buy it．
| A．none of them | B．both of them | C．none of whom | D．neither of whom |
-- Robert is indeed a wise man．
-- Oh, yes．How often I have regretted _________ his advice!
| A．to take | B．taking | C．not to take | D．not taking |