________to attract young readers, the book is full of interesting stories and features simple language.
| A．Aiming | B．Aimed | C．Contributed | D．Contributing |
The teacher tried to explain the phenomenon to his students, but his meaning didn’t really_____.
| A．get down | B．get across |
| C．get over | D．get in |
If we forgave criminals, we might become a society of endless excuses_____ no one accepts responsibility for anything.
| A．which | B．where | C．that | D．when |
My deskmate is still a puzzle to me; at one moment he is quiet while at another he _____ be quite active.
| A．can | B．must | C．should | D．would |
My neighbour’s dog is fierce and dangerous, so I think he ought to keep it in the yard _____ it attacks any more children.
| A．until | B．since | C．when | D．before |
Many approaches have been _____ to control the spread of the terrible virus “Ebola” so far.
| A．occupied | B．defended | C．employed | D．settled |