基础训练
Ⅰ.用适当的介词或副词填空
1．She often comes ________ conflict with her mother－in－law，which makes her husband very angry.
2．________ four o'clock tomorrow afternoon，I will have already finished all the work.
3．I had to wait an extra hour so I wrote letters ________ the meanwhile/meantime.
4．Hearing the news of the flood，thousands of people donated money and food ________ the children in need.
5．The teacher decided to assist me ________ my English study.
6．There will be many challenges ahead，but I have confidence that I'll take ________ the burden.
