用所给单词的适当形式填空。
1.Thank you very much for ________(let)me ________(know)the news.
2.What can I do ________(,make) him ________(believe) me?
3.Jenny wants her brother ________(help)her with her Chinese.
翻译。
4.老师告诫我们夏天防止害虫。
The teacher ________ us ________ harmful insects in summer.
用英语解释下列句子。
5.Doctor Ray has great interests in trees.
Doctor Ray ___________________________.
6.You have a great knowledge about trees.
You know ____________________________.
7.I am leaving for Beijing next week.
I ___________________Beijing next week.
8.Trees can make the air cool and clean.
Trees can ________________________.