A. are B. is C. have D. be
[问答题]Either you must improve your work, or I shall dismiss you.
[问答题]You are a professor in a department. One of your graduates asks you to writ
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes
[单选题]Students often want to practise their English outside class. One of the bes