____ troubles me most right now is____ I
问题:
____ troubles me most right now is____ I can’t remember where I have put my car keys.
A.That ;what
B.What;that
C.What;what
D.That;that
____ troubles me most right now is____ I can’t remember where I have put my car keys.
A.That ;what
B.What;that
C.What;what
D.That;that