问题

I don’t doubt_ he took the firstplace in his class; but I do doubt_ he will succeed in the end.

A:While
B:but which
C:whether whether
D:that whether

正确答案是：

同类题型

Raymond’s parents wanted him to have_______ possible education.

Would you like _________ the Great Wall with us—Yes, of course.

I can’t decide ______.-You mean the purple blouse or the blue one

Four teams of three people would compete ______ the game andthe winners would receive a free vacation

you beento the Great Wall—Perhaps notin my memory ________, it might have been during my early childhood