问题

Your colleague is speaking English withfluency—It’s no wonderShe ____ inthe UK for a year as a visiting professor

A:to design
B:to be designing
C:to have been designing
D:to have designed

正确答案是：

同类题型

ly weather, isn’t it— Yes, a bit hot, ______

___bag is this— It’s mine.

We have to put up with her behaviour

1– isyour mother’s birthday –It’sMay 8th.

Do you know where my address book is?　　　　- It________ be in the hall cupboard. I think I saw it this morning.