_____ took me almost 20 years to have the courage to ask my father this personal question.
| A．This | B．It | C．That | D．One |
—Oh, sorry. I’ve just stepped on your newly-bought dress.
— _____. It’s no big deal.
| A．Don’t worry about it | B．Don’t mention it |
| C．Go ahead | D．I bought it yesterday |
President Obama is letting Congress write the details of his plan for ________ he calls health insurance reform.
| A．as | B．what | C．that | D．all what |
. Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.
| A．which success | B．its success | C．the success of which | D．the success of it |
--What made your father throw up last night?
-- I think the large quantities of wine _________.
| A．was | B．might | C．make | D．did |
As well as costing the Middle East dearly in terms of human life, conflict! (冲突) _______ the region around $ 12 trillion since 1991, according to a report by the Strategic Foresight Group.
| A．is also cost | B．had also cost | C．will also cost | D．has also cost |