In fact, the house as well as his two cars ______ him all the money he earned during the 20 years．
| A．has been cost | B．have cost | C．has cost | D．have been cost |
I’ve heard that we will set out _________ the morning of March 25th .
| A．at | B．in | C．on | D．over |
Mr Smith said that he would delay introducing the scheme because of the demands ______ on teachers by other educational reforms.
| A．made | B．making | C．make | D．to make |
The bus was crowded with passengers going home from market, most of ________ carrying heavy bags and baskets full of fruit and vegetables they had bought there.
| A．whom | B．them | C．who | D．which |
People who have regular physical exercise seldom catch a disease like H1N1 Flu, ______?
| A．don’t they | B．haven’t they | C．do they | D．have they |
-----The windows must have taken you quite a long time that day.
------Right. They for weeks.
| A．haven’t been cleaned | B．hadn’t been cleaned | C．didn’t clean | D．haven’t cleaned |