— Do you know _______ they got to know each other?
— It was last year_______ they both taught Chinese in Canada.
| A．When it was that, when | B．when it was that, while |
| C．When it was that, that | D．When it was that, as |
You can hardly imagine the difficulty the woman had ______ her children．
| A．brought up | B．to bring up |
| C．bringing up | D．to have brought up |
Only one of the places is ________
| A．worth to visit | B．worth visiting |
| C．worth of visiting | D．worth being visited |
--- Thank goodness, you are here ! What ____ you ?
---- Traffic jam．
| A．keeps | B．is keeping | C．had kept | D．kept |
Naturally, after I told her what to do , my daughter _____ go and do the opposite ．
| A．may | B．can | C．must | D．should |
They had a pleasant chat _____ a cup of coffee．
| A．for | B．with | C．during | D．over |