Although we’ve learned English for years, we have trouble _____ the foreigners.
| A．understand | B．to understand | C．understanding | D．of understanding |
-----How many students are there in the classroom?------_______.
| A．Nobody | B．None | C．No one | D．No |
Students are supposed ________ hard at school.
| A．studying | B．studied | C．to study | D．study |
--- I’m going to spend my winter vacation with my parents in Hainan !
--- __________ !
| A．Have a good time | B．You are unlucky |
| C．I want to go too | D．I’m sorry to hear that |
This film is as ________ as that one.
| A．interested | B．more interesting | C．interesting | D．more interested |