—Have you returned the book to the library ____?
—Yes， I have ____ returned it.
| A．yet， ever | B．ever， already |
| C．already， yet | D．yet， already |
–Look at the clouds , so beautiful ! – Wow , so many different ______ , horses , sheep , flowers…
| A．sizes | B．shapes |
| C．colors | D．styles |
This is my ___________ second time to come to Beijing .
| A．the | B．a | C．an | D． / |
Japanese can hardly avoid_______ products _____in China.
| A．to buy, made | B．buying, made |
| C．to buy, making | D．buying, making |
Only then______ have a chance _____ an astronaut.
| A．I will, becoming | B．I will, to become |
| C．will I , becoming | D．will I, to become |
After he finished reading that book, he continued _____ an interesting football match.
| A．to watch | B．watch |
| C．watching | D．to watching |