The monument was built in honor of the explorer who was believed _____ the river.
| A．to have discovered | B．to have been discovered |
| C．to discover | D．having been discovered |
Wang Ming, our English teacher, has a good ______ of French; that is because he once studied in Paris.
| A．power | B．strength |
| C．vocabulary | D．command |
Another two people were reported to have died of the Ebolavirus yesterday, which caused greater _______ about their safety among the public.
| A．concern | B．expression |
| C．power | D．trouble |
When you apologize, you’re telling someone that you’re sorry for the hurt you caused , even if you didn’t do it ______ .
| A．by mistake | B．on time |
| C．on purpose | D．by accident |
These days strange things happened ___ in the small village, which caused a panic among the villagers.
| A．frequently | B．fluently |
| C．regularly | D．Sincerely |
Thanks to the Internet, many people can talk with each other through it instead of doing it .
| A．shoulder to shoulder | B．face to face |
| C．arm in arm | D．hand in hand |