The plane of the Polish president was about to land ______ it snagged(挂) treetops and crashed, ______ the president and 96 others on board.
| A．while, killed | B．when, killing |
| C．and, and killed | D．when, to kill |
There is much chance ______Bill will recover from his injury in time for the race.
| A．that | B．which | C．until | D．If |
A warm thought suddenly came to me________I might use the pocket money to buy some flowers for my mother's birthday。
| A．if | B．when | C．that | D．which |
—Your hometown is so beautiful!
—Yes. What's more, _ _____ we live there is fresh air there is no in town.
| A．that | B．whether | C．where | D．when |
--- It’s thirty years since we last met.
--- But I still remember the story, believe it or not, _________we got lost on a rainy night.
| A．which | B．that | C．what | D．When |
_______makes this shop different is that it offers more personal services.
| A．What | B．Who | C．Whatever | D．Whoever |