—Robert is indeed a wise man.
—Oh, yes. Howoften I have regretted ________ his advice!
| A．to take | B．taking | C．not to take | D．not taking |
The plan has to be _______ to meet the real situation.
| A．adjusted | B．adapted | C．produced | D．refounded |
I ______ my university professor in the supermarket near my house, which was out of my expectation.
| A．came out | B．came across | C．came about | D．came along |
To qualify yourself for this kind of new job, I recommend that you ________ some online courses.
| A．to take | B．taking | C．take | D．would take |
________ I can see, there is only one way to solve this problem.
| A．As far as | B．Even if | C．As long as | D．As soon as |
. It is the first time that I _____ abroad.
A. have been B. was B. will have been D. am