We should keep people from throwing rubbish into the sea______save the endangered sea animals.
| A．so that | B．in order to |
| C．according to | D．because of |
A：Jim did really well in the exam.
B:Yes. I think he studies_______of all the students.
| A．hardly | B．hard |
| C．harder | D．hardest |
Danny loves singing very much. We usually hear her_____after school.
| A．sing | B．sings |
| C．sang | D．to sing |
A:Mum, how can I make the cake more delicious?
B:Add some eggs and mix them_______milk.
| A．in | B．to | C．with | D．into |
--- What languages _____ in that country? ---- German and English
| A．are speaking | B．are spoken |
| C．speak | D．is spoken |