—Did you attend the opening ceremony of The Voice of China last week?
—Sorry! We ________ it, but we had a terrible traffic accident on our way.
| A．must have attended | B．must attend |
| C．could have attended | D．could attend |
As a role model, I don’t think most people can imagine what it’s like ____that close every minute of the day.
| A．to be watched | B．watched | C．watching | D．to watch |
We should be able to ________ enough money for your ticket.
| A．dig up | B．look up | C．take up | D．set up |
No one could _________ the failure of the experiment as everything went smoothly at first.
| A．give an account for | B．account for | C．take account of | D．take into account |
It was _____ he came back from Africa that year _________ he met the girl he would like to marry.
| A．when; then | B．not; until | C．not until; that | D．only; when |
He determined to teach in a western province, though he _______in the city for a better life.
| A．could stay | B．would stay | C．could have stayed | D．had stayed |