1.活动预计会持续大约两个小时。
The activity is expected to last about two hours.
①The activity is to last two hours.
② the activity will last about two hours.
2.我写信是想告诉您我对您最近征聘的职位感兴趣。
I’m writing to tell you that I’m interested in the position you advertised recently.
①I’m writing to in the position you advertised recently.
②I’m writing to tell you that I’m interested in .
