问题

You aren’t looking well Anything the matter?—I’ve been surfing the net too long I’m a bit tiredI can hold on,____

A:though
B:yet
C:besides
D:therefore

正确答案是：

同类题型

He has been working________—No wonder he looks very tired now [ ]

Would you like to tell me about the travel —Great. I really experienced ________.

下列句子中画线成语的使用，不正确的一项是（）

Though you have failed many times, you shouldn’t ______. [ ]

When shall we leave for China— We won’t wehave visited all the places of interest here.