why don't you come with us ?
i'd like to but i'm having a friend over 这句是什么意思？
另
1. i__in the back of the classroom
A was sat B sitting C was seated D seated 答案已知道 请告诉为什么选C
2.it's impossible to __a conversation with all this noise in the background
A carry on B gon on C put on D move on
3.he waited __she had finished speaking
A before B after C when D until
4.oh, dear i forgot the air tickets
you__something
A have left B are always leaving C are leaving D always left
答案已知道 请告诉为什么这么选 谢谢！