Thinking back to the past years, many people wonder _.
A where time will go
B. where time has gone
C. where has time gone
—Does the lion come from China or Africa？
—________．
| A．Yes，it does |
| B．It comes from Africa |
| C．No，it doesn’t |
| D．It comes from China or Africa |
Why ________ your brother want ________ the koalas？
| A．do；to see |
| B．does；to see |
| C．does；see |
| D．do；see |
—Tony，________ are you in such a hurry？
—The meeting will start soon．I don’t want to be late．
| A．where |
| B．how |
| C．when |
| D．why |
Math is too ________ for me．I don’t like it at all．
A．interesting
B．easy
C．difficult
—Let’s go to the zoo on Sunday morning．
—________．
| A．That sounds good |
| B．Thank you very much |
| C．Yes，we do |
| D．Not at all |