Once ___ what to do, these computers will show great power in carrying it out.
| A．to teach | B．teaches | C．teaching | D．taught |
The sudden of the headmaster gave the children who were talking loudly in the classroom a great surprise.
| A．entrance | B．entry | C．absence | D．trial |
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 felt greathy honoured into their society.
| A．to welcome | B．welcoming | C．to be welcomed | D．welcomed |
—Where did you get to know her?
—It was on the farm we worked.
| A．that | B．there | C．which | D．where |
The boy’s the equal of the girl, intelligence is concerned, but he didn’t work hard at all.
| A．as far as | B．as soon as | C．as well as | D．as long as |