| A．has, gone | B．has, been | C．had, gone | D．had, been |
| A．don’t see | B．didn’t see | C．haven’t seen | D．won’t see |
| A．Did take, took | B．Have taken, have taken |
| C．Have taken, took | D．Will take, takes |
| A．have you come | B．has he in | C．will he be | D．had he been |
| A．bought, for | B．had, for | C．bought, since | D．had, since |
| A．is, did, go | B．went, is, going | C．has gone, did, go | D．is going, does, go |
| A．meet | B．have met | C．met | D．had met |
| A．didn’t see, did go | B．didn’t see, have gone |
| C．haven’t seen, have been | D．haven’t seen, have gone |
| A．already | B．never | C．ever | D．still |
| A．has been | B．is | C．was | D．had been |
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