He knows so much about the story. He must have read the book, _______?
| A．mustn’t he | B．doesn’t he | C．hasn’t he | D．didn’t he |
Doris'success lies in the fact____she isco-operative and eager to learn from others．
| A．which | B．that | C．when | D．why |
See the flags on top of the building?That was______we did this morning．
| A．when | B．which | C．where | D．what |
_____makes this shop different is that itoffers more personal services．
| A．What | B．Who | C．Whatever | D．Whoever |
___has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem .
| A．That | B．What | C．In spite of what | D．Though what |
The experience of the Chinese nation attests to a truth____ a nation loses in times of disaster will be made up for by her progress
| A．that what | B．what | C．that | D．what that |