___________ in thought, he almost ran into the car in front of him
|
__________ is always the husband who __________ first when a quarrel comes about between the young couple．
| A．It, gives away | B．This, gives out |
| C．It, gives in | D．That, gives off |
Scientists say it will be five or six years ________ it is possible to test this medicine on humans．
| A．after | B．before | C．since | D．When |
You are students in the No．168 Senior High School now, but you _______ in different junior high schools for three years．
| A．studies | B．have studied |
| C．studied | D．were studying |
I hope you can _______a solution to question as soon as possible．
| A．come up with | B．catch up with |
| C．put up with | D．end up with |
It is believed that a new kind of drug _____ by the scientists and they are hopeful that they will succeed in a few months．
| A．has been developed | B．is being developed |
| C．is developing | D．has developed |