Henry always forgets things he has done. Yesterday he forgot__________ and looked for it everywhere.
| A．to post the letter | B．to have the letter posted |
| C．to have posted the letter | D．having posted the letter |
______ acupuncture developed, the simple “bian stones” were replaced first by stone and pottery needles, and ________ by metal needles.
| A．As ,eventually | B．With, eventually |
| C．With, accidentally | D．As,accidentally |
Most of our dreams that used to be impossible have ________ true.
| A．came | B．come | C．gone | D．appeared |
The little girl ________ a cry at the sight of a big snake.
| A．let out | B．gave out | C．made out | D．shouted out |
Penicillin was then produced ________ in order to meet the demands of the armies.
| A．in large amounts | B． in large plenty |
| C．in large quantities | D． in large number |
A study ________ in the U.S.A. in 1977 showed that the chemical ASA in aspirin could prevent a stroke.
A. carrying out B. carried out C. working out D. worked out