Mr Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
| A．can | B．should |
| C．may | D．must |
The Spring Festival Gala（春晚）of 2013 theme was Happy Chinese New Year attracted a large audience
| A．whose | B．which | C．that | D．what |
Many cities issued a warning of air pollution for PM-2.5 readings, which became
Concern of all the people
| A．the; the | B．the;/ | C．/;a | D．an;a |
______ many times, my elderly mother still can’t remember how to light the gas.
| A．Had told | B．Having told | C．Having been told | D．Being told |
---The window is dirty.
---I know. It ______ for ages and I’m considering giving the task to our children.
| A．hasn’t cleaned | B．hasn’t been cleaned |
| C．wasn’t cleaned | D．didn’t clean |
As a young minister, he was full of ______ ideas for social reform.
| A．grand | B．greedy | C．guilty | D．fluent |