The reason why Malaysia Airline Flight370 disappeared remained_____.
| A．look into | B．to be looked into | C．looking into | D．to look into |
They are volunteers for the Olympic Games, and theyeverybody to obey the traffic regulations.
| A．adapt to | B．attend to | C．apply to | D．appeal to |
With no better way to express feelings of love and, it’s easy to see why everyone turns to the flower shop on Mothers’ Day.
| A．appreciation | B．inspiration | C．satisfaction | D．ambition |
I went through about four years of beingto video games but fortunately I managed to get rid of it.
| A．added | B．accustomed | C．admitted | D．addicted |
A woman in her 60sgave birth to two test tube babies three years ago, after her only daughter died of gas poisoning.
| A．slightly | B．eventually | C．approximately | D．directly |
Natural disasters are happening more frequently than before;the whole world should work together to respond.
| A．moreover | B．effectively | C．meanwhile | D．consequently |