___ is Charlies’ pen friend?
| A．Who do you think | B．Do you think who | C．Whom do you think | D．Do you think whom |
My son __________ his clock when I went to get a cup I __________ in his study.
| A．was winding up; had left | B．would up; had forgotten |
| C．had wounded; left | D．was winding up; forgot |
All those _____ about the poor children should be _____.
| A．concerned; thanked | B．are concerned; thanked |
| C．who are concerned; thanked for | D．are concerned; thanked for |
In order to stop poverty, the World Bank has ______ its focus to providing technical assistance and long-term loans to developing countries.
| A．fixed | B．exchanged | C．transferred | D．switched |
—Go and have great fun! I will cope with _____ you leave to me properly. —Thanks a lot.
| A．why | B．when | C．what | D．which |
—I wonder why he has been acting so strange these days.
—Recent pressure at work may ______ his behavior.
| A．account for | B．make for | C．change for | D．stand for |