I always get nervous when I see the envelope _____ school _____ t_其他解答

I always get nervous when I see the envelope _____ school _____ the mail.

人气：446 ℃　时间：2019-11-06 15:23:12

解答

I always get(got) nervous when I see(saw） the envelope __from___ school __in___ the mail
当我看到邮箱里学校寄来的信封时总是感到紧张