The classroom is big enough________, but we'll have to move if we have more students.
Lily’s mobile phone was left in a taxi accidentally, _____ again.
— Can Li Ping help me with my English? — I regret to tell you her English is ____ yours.
Music can be enjoyable, but ____ can be appreciated unless you like it.
The motorbike _____ start, no matter how hard he tried.
— Beijing is well worth visiting. I _____ there with my parents during the holidays. — I agree. I have been there twice.