——It was the drug，not the disease，that killed the boy.
——He would be still alive today if he ________ that drug.
| A．not take | B．shouldn’t have taken |
| C．didn’t take | D．hadn’t taken |
相关试题
—Could I call you by your first name? —Yes, you______
| A．will | B．could | C．may | D．might |
A computer_____think for itself, it must be told what to do.
| A．can’t | B．couldn’t | C．may not | D．might not |
—What were you doing when Tony phoned you?
—I had just finished my work and ___ to take a shower.
| A．had started | B．started | C．have started | D．was starting |
—You were out when I dropped in at your house.
—Oh, I_______ for a friend from England at the airport.
| A．was waiting | B．had waited | C．am waiting | D．have waited |
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