50. We had to ____ a lot of noise when the children were at home.

A. 　 shouldn’t follow

B. 　 mustn’t follow

C. 　 couldn’t have been following

D. 　 shouldn’t have been following

A. 　 She would be able to visit more scenic spots.

B. 　 She wanted to save as much money as possible.

C. 　 She would like to have everything taken care of.

D. 　She wanted to spend more time with her family.

A. 　 Because it makes news report closer to reality.

B. 　 Because it covers dominant events in our life.

C. 　 Because it shows the depressing side of the world.

D. 　 Because it gives us a break from the harsh realities.

A. 　 He threw toys of the wrong type.

B. 　 He gave his son other things such as slipper.

C. 　 He limited the toys his son played with.

D. 　 He hid all the toys in a box.

A. 　 Their stress was more apparent than real.

B. 　 Their decisions required less deliberation.

C. 　 Their memories were greatly strengthened.

D. 　 Their communication with others improved.

A. 　 arose

B. 　 raised

C. 　 rose

D. 　 aroused

A. 　 20% to 60%.

B. 　 Half.

C. 　 12% to 16%.

D. 　 Less than 12%.

A. 　 communication

B. 　 research

C. 　 investigation

D. 　 obligation

A. 　 Most of them tempt the users with low price.

B. 　 They themselves might be the privacy intruder.

C. 　 Researchers warn them of the virus infection.

D. 　 They tend to steal the users’ data for survival.

A. 　 All reality shows involve dangerous situations.

B. 　Reality shows are riskier to make than films and other types of TV shows.

C. 　 Producers of reality shows don't put safety first in order to get dramatic effect.

D. 　All deaths on film and TV shoots over the last five years have involved reality shows.