After losing $20, 000 on my last business, I’m not________this time.
| A．taking on | B．taking away |
| C．taking a chance | D．taking off |
Though_________to see us, the professor gave us a warm welcome.
| A．surprising | B．was surprised | C．surprised | D．being surprised |
—Have you finished the book?
---No,I’ve read up to_________the children discover the secret cave.
| A．which | B．what | C．hat | D．where |
my mother opened drawer to_________the knives and spoons.
| A．put away | B．put up | C．put on | D．put together |
Tom was about to close the window__________his attention was eaught by a bird.
| A．when | B．if | C．and | D．till |
welast night,but we went to the concert instead.
| A． | must have studied | B． | might study | C． | should have studied | D． | would study |