________people in the world enjoy football.
| A．Several million | B．Many millions |
| C．Several millions | D．Many million |
If _______ to look after luggage for someone else, inform the police at once.
| A．asked | B．to ask | C．asking | D．having asked |
Laura was away in Paris for over a week. When she got home, there was a pile of mail _______ for her.
| A．waited | B．to wait | C．waiting | D．was waiting |
Just tell me the accident to the point, but don’t ______ any important detail.
| A．let out | B．figure out | C．leave out | D．give out |
Would it be possible for me to meet with you _____ and discuss the matter?
| A．on your comfort | B．at your service |
| C．at your ease | D．at your convenience |
In cities in China, ______ bus is ______ popular means of transportation.
| A．a; the | B．a; / | C．the; a | D．the; the |