Look，so many passengers__________ with their smart phones on the underground．
| A．played | B．will play | C．are playing | D．have played |
What ______________ most is that he told a lie.
| A．proves | B．faces |
| C．matters | D．admires |
She devoted as much time as she could ____________ others.
| A．help | B．helped |
| C．to helping | D．helping |
I don’t doubt ____________ he will come.
| A．whether | B．that | C．if | D．so |
David has brain. In fact, I don’t think that anyone in the class has _____________ IQ.
| A．a high | B．a higher |
| C．the higher | D．the highest |
--What about travelling during the summer holidays?
--- _____________ It can relax us and open our eyes.
A. Why not?
B. What for?
C. I think so.