News came that the Netherlands launched its first-ever “intelligent bicycle”
| A．a | B．an | C．the | D．/ |
---Excuse me, sir. Could you please tell me _______?
--- Sorry, I don’t know. You can go to the information desk.
| A．Where there was a plane |
| B．when the plane will leave |
| C．which plane can I take |
| D．where does the plane leave |
---Jim, can you finish your homework on time?
---______. I can finish it.
| A．It’s a piece of cake | B．It depends |
| C．Practice makes perfect | D．I’m afraid not |
We are sure to enter a better high school ________ we work hard.
| A．as soon as | B．as long as |
| C．as if | D．even if |
We must protect water from being _________, because it’s the source of life.
| A．polluted | B．provided |
| C．finished | D．punished |
