Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.
| A．sensitive | B．addicted | C．allergic | D．efficient |
---Is there any _______ to the time about how long I can stay here?
---Yes, you must leave here before he comes back.
| A．number | B．length | C．limit | D．matter |
When she came several days later, she found that all things still _______ where she had _______ them.
| A．lay; laid | B．laid; lied | C．lay; lain | D．lying; lain |
The day he had been looking forward to _______ at last.
| A．come | B．coming | C．came | D．has come |
He ___________ unwisely, but he was at least trying to do something helpful.
| A．may have acted | B．must have acted |
| C．should have acted | D．would act |
Having checked the doors were closed and ______ all the lights were off, the boy opened the door to his bedroom.
| A．why | B．that | C．when | D．where |