--- Four dollars a pair? I think it’s a bit too much.
---If you buy three pairs, the price for each will _______ to three fifty.
| A．come down | B．take down |
| C．turn over | D．go over |
He commanded that all the gates ________．
| A．should shut | B．would be shut | C．shut | D．be shut |
As is known to us all, English books of this kind ________ well in middle schools.
| A．sell | B．sells | C．is sold | D．are sold |
_______ everyone here, I wish you a pleasant journey back to your country.
| A．By means of | B．On behalf of | C．In search of | D．For fear of |
I think you need some outdoor exercise. Plenty of fresh air will ________good health.
| A．contribute to | B．devote to | C．apply to | D．adjust to |
We will be free tomorrow，so I suggest ________to the history museum.
| A．to visit | B．visiting |
| C．we should visit | D．a visit |