英语字母共有 个,其中元音字母有 个。
My teacher asks us _______school on time.
Since you are tired, you’ d better and have a good rest.
We are looking forward ________ a film next week.
— Have you seen the film _____ Lost In Thailand (泰囧) ? — Yes. It’s great fun . I couldn’t stop _____while I was watching it
What can we students do _____ the environment?