If he ________ harder, he’ll catch up with us.
| A．work | B．works | C．worked | D．will work |
The Eiffel Tower __________ for the 1889 Paris Expo. It is a symbol of the city now.
| A．built | B．was built | C．has built | D．was building |
Could you please tell me ___________?
| A．whose book is this | B．whose book was this |
| C．whose book this is | D．whose book this was |
---How far is your home to your school?
---It _________ me about twenty minutes by bus.
| A．costs | B．spends | C．pays | D．takes |
---Where is your father?
---He isn’t here. He __________ Yushu to help the people in trouble.
| A．has gone to | B．has been to | C．went | D．is going |
---I will go to Guangzhou this summer vacation.
---__________.
| A．You are welcome | B．Sorry to hear that |
| C．Have a good trip | D．Congratulations |