-These farmers have been to the United States.
-Really? When _______ there?
| A．will they go | B．did they go |
| C．have they been | D．have they gone |
－Where’s Lisa,Eric?
－She __________ to the library.
| A．goes | B．had gone | C．has gone | D．would go |
I don’t remember when and where I __________ this umbrella.
| A．buy | B．have bought | C．will buy | D．bought |
－What’s his brother?
－He is a teacher.He__________ maths at a school.
| A．taught | B．has taught | C．teaches | D．will teach |
－Help yourself to some more meat,Linda.
－_______________.
| A．I’m full,thanks | B．It’s my pleasure |
| C．It dosen’t matter | D．Very well,thank you |
－Do you need my help, Mary?
－_____________.
| A．Yes,please | B．I’d love to | C．Never mind | D．Well done |