Readings of this sort have _____ on the children.
| A．an ill effect | B．have a effect | C．a badly effect | D．affect |
It was sad to me that they, so poor themselves, ___________ bring me food.
| A．might | B．would | C．could | D．should |
______ the terrible earthquake in Japan not happened, people’s awareness _______drawn to the risk of being exposed to nuclear radiation.
| A．If; wouldn’t have been | B．If; wouldn’t have |
| C．Had; wouldn’t have been | D．Had; wouldn’t have |
_____ of their bad habits, the boys switched from being dependent on their parents to _____ for others.
| A．Having rid; sacrificing | B．To rid; sacrifice |
| C．Rid; sacrificing | D．Having been rid; sacrifice |
Scientists ______ thousands of chemicals before they decided on the right one in the end.
| A．tried out | B．found out |
| C．worked out | D．turned out |
To some extent, uncontrolled information from the website that many people turn _______ false.
| A．to prove | B．to proves | C．prove | D．proves |