．—What do you wear when you go out?
—Well, it ____.
| A．changes | B．charges | C．turns | D．varies |
Jerry had worked hard for his chemistry examination so that he could be sure of passing it at his first_____ .
| A．assumption | B．appetite | C．attempt | D．accumulation |
—Did you see ____ may be the longest total solar eclipse (日全食) in 500 years yesterday?
— No, it was cloudy above my city at that time.
| A．what | B．who | C．which | D．that |
Every child is _____ , with their own needs , preferences and talents.
| A．original | B．similar | C．contradictory | D．unique |
Google is testing a new television programming search service, _____ users to find shows as well as videos from websites like Youtube.
| A．having allowed | B．allowing | C．to allow | D．allowed |
—How can you say so about my boss?
— Don’t get me wrong. I _____ ill of him.
| A．won’t speak | B．wasn’t speaking |
| C．haven’t spoken | D．hadn’t spoken |