Letterboxes are much more ____ in the UK than in the US, where most people have a mailbox instead.
| A．common | B．normal | C．ordinary | D．usual |
You should follow _____ of the medicine, and take three pills every day.
| A．direction | B．explanations | C．instructions | D．methods |
She is accustomed to ____ like that.
| A．be spoken | B．being spoken | C．speak | D．being spoken to |
--- Is there a bus to the downtown?
-----There ____ be, for it is too late now. You’d better take a taxi.
| A．won’t | B．mustn’t | C．can’t | D．needn’t |
By the end of last year another new gymnasium_____ in Beijing
| A．would be completed | B．was being completed |
| C．has been completed | D．had been completed |
Facing the dangerous situation, he was completely______.
| A．at loss | B．at a loss | C．out of order | D．out of sight |