Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
| A．pile up | B．build up | C．keep up | D．pull up |
Johnson was to blame for the incident.But ________ his positive attitude，we forgave him because “Every man has his faults.”
| A．in view of | B．in search of |
| C．for fear of | D．in exchange for |
Mr.Columbus was always ready to help others.________，he was liked by everyone.
| A．In conclusion | B．In return |
| C．In turn | D．In particular |
The two things are the same in outward form but different________.
| A．in addition | B．in brief |
| C．in common | D．in essence |
We’d better discuss everything ________ before we work out the plan.
| A．in detail | B．in general |
| C．on purpose | D．on time |
Those overseas students volunteer 10 hours each week in Paris ________ free food and accommodation.
| A．in search of | B．in contact with |
| C．in case of | D．in exchange for |