急.说下道理!

问题描述:

急.说下道理!
1.Alice went ____(boat) with her friends last Sunday.
2.Computers are_______(help)in our lives.We can use them to do many things.
3.We got the news from an ______(advertise)on the noticeboard.
4.Lisa's father is an engineer in a Japanese company.(保持原句意思不变)
Lisa's father ________ ___________ an engineer in a Japanese company.

1.boating实意动词后面用动名词 2.helpful BE动词后面用形容词 3.advertisment 介词后用名词 4.works AS