الرئيسية
/ لغة انجليزية
/ قواعد متقدم
/ المستوى5
/ Did you know he's been teaching German _____ fifteen years?
Did you know he's been teaching German _____ fifteen years?
Did you know he's been teaching German _____ fifteen years?
أسئلة عشوائية
The United States consists of fifty states........has its own government.
The United States consists of fifty states........has its own government.
Choose the correct form.
Choose the correct form.

