When reading English novels, I often idiomatic expressions that I can't understand．
| A．come across | B．go over |
| C．get across | D．take over |
Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search．
| A．reduced | B．formed | C．trapped | D．absorbed |
It’s wise to find a place to travel ______ has a lot to present but hasn’t yet been hit by high price of admission as well as mass popularity．
| A．where | B．that | C．in which | D．what |
______ for our dreams, as the principal addressed at the graduation ceremony, offers us a sense of belonging．
| A．Being struggled | B．Struggling | C．Struggle | D．To be struggled |
Alice fell into a very deep hole on a sunny afternoon, her fantasy visit to the fairyland ______．
| A．breaking off | B．kicking off | C．taking off | D．showing off |
The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly．
| A．while | B．although | C．if only | D．as though |