__________ David says sounds right to Helen. That's why she has made up her mind to leave with him __________ happens.
| A．Whatever ； no matter what |
| B．No matter what； whatever |
| C．No matter what ； no matter what |
| D．Whatever ； however |
The teacher finally _______ his project to the school board for approval.
| A．admitted | B．permitted |
| C．submitted | D．accused |
Looking for information on line today is very easy ; the _____________is how to tell whether the information you are getting is useful or not.
| A．challenge | B．ability |
| C．knowledge | D．competition |
It’s reported that global warming is heating the planet twice as quickly as _____ feared.
| A．extremely | B．preciously |
| C．previously | D．eventually |
The little boy, out of curiosity, _______ the toy to see how it worked, but couldn’t put it together.
| A．took apart | B．broken down |
| C．burst into | D．knocked off |
These tax laws, which are intended for domestic companies, do not ________ to foreign companies.
| A．contribute | B．submit |
| C．lead | D．apply |