It won’t be long _____ the island ________ to our motherland.
| A．when, returns | B．before, will return | C．since, returns | D．before, returns |
I felt very tired when I got home，and I ________ straight to bed. (2013·重庆，21)
| A．go | B．went |
| C．had gone | D．have gone |
The girl has a great interest in sport and ________ badminton classes twice a week over the last three years. (2013·福建，26)
| A．took | B．is taking |
| C．takes | D．has been taking |
—Oh no！We’re too late.The train________.
—That’s OK.We’ll catch the next train to London. (2013·山东，27)
| A．was leaving | B．had left |
| C．has left | D．has been leaving |
—I don’t understand why you didn’t go to the lecture yesterday afternoon.
—I’m so sorry.But I________my homework. (2013·湖南，34)
| A．had done | B．was doing |
| C．would do | D．am doing |
If nothing________，the oceans will turn into fish deserts. (2013·湖南，26)
| A．does | B．had been done |
| C．will do | D．is done |