Only after the woman had her own child how difficult it was to be a mother.
| A．did she realize | B．she had realized | C．she realized | D．had she realized |
After a thorough search, the rescue team finally brought the mountain climber back, ________.
| A．safe and sound | B．safely and sound |
| C．safe and soundly | D．safely and soundly |
More than seven in ten get angry ________ to wait longer than one minute for a web page to be downloaded.
| A．if forced | B．unless forced | C．once forcing | D．until forcing |
It was in the Lake District _______ the poet William Wordsworth spent much of his lifetime.
| A．how | B．that | C．which | D．where |
—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?
—No, I didn’t. I _______ it twice in Denmark.
| A．have seen | B．were seeing | C．had seen | D．saw |
My cousins _______ me and ask me what I was doing when I was studying in Canada.
| A．used to ringing | B．were used to ring |
| C．were used to ringing | D．used to ring |