Great changes __ in the city in the past 20 years, and a lot of factories ____.
| A．have been taken place; have been set up |
| B．have taken place; have set up |
| C．have taken place; have been set up |
| D．were taken place; were set up |
_____worried about me，Mom. I’ve grown up.
| A．Don’t | B．Don’t be | C．Not | D．Not be |
— I failed the exam again. I don’t know what to do.
— Hope is always around you.
| A．Don’t be serious | B．Never give up | C．Don’t be relaxed | D．Never put down |
—How far is it from the supermarket to your home?
—It’s about.
| A．20-minute drive | B．20-minutes’ drive | C．20 minute’s drive | D．20 minutes’ drive |
| A．The bus is coming. |
| B．The bus has left. |
| C．The bus has arrived. |
| D．There comes the bus. |
—Would you mind moving the desk?
—. I will do it right away.
| A．Yes, I do | B．No, I am not | C．Of course | D．No, not at all |