I haven’t found my watch yet;in fact,I’m not sure____I could haved one with it.
| A．where | B．whether | C．what | D．how |
The government is devoting resources to establish public health systems. _________ , the physical conditions of children have improved greatly.
| A．However | B．Meanwhile |
| C．Nevertheless | D．Otherwise |
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 |