If you take________risk of not wearing a seat belt，you will be at________risk.
| A．the；/ | B．/；/ |
| C．/；the | D．the；the |
–Could you do me ______ favour and hold the screen for me?
--______.
| A．a; My pleasure | B．the; With pleasure |
| C．a; With pleasure | D．the; My pleasure |
They only stood there with their arms ______ in front of their chest rather than give us a hand.
| A．folding | B．folded | C．to be folded | D．being folded |
With their son ______, the old couple lived a hard life.
| A．disappointing | B．disappointed | C．to be disappointed | D．being disappointed |
He must have been working really hard these days. This morning, I even noticed ______ behind his ears.
| A．grey hair | B．grey hairs | C．the grey hair | D．much grey hair |
On almost all the buses in our city, there are seats ______ reserved for disabled and elderly passengers.
| A．particularly | B．in particular | C．especially | D．specially |