I．单项选择（20小题，每题2分，满分40分）
1.The boy chatted ________his friend last night.
A. with B. about C. for D . in
2.The man was ________the project.
A. in charge B. in the charge of C. in charge of D. under charge
3.What is the best way________ your English?
A. to improve B. improving C. improved D. improve
