When I try to understand ____ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
A.why does it | B.what does it | C.what it is | D.why it is |
The boy, _____ leg was injured in the football match, was only 11 years old.
A.which | B.whose | C.who | D.whom |
They work day and night; however, _______ of the money they make goes to their so-called eldest brother.
A.four-fifth | B.four-fifths | C.four-five | D.four-fifths |
The one and only thing I ____ is whether you take a good rest!
A.care for | B.look for | C.care about | D.look after |
— Is there anything you want to know?
— I just wonder ____ that makes Jim so excited.
A.what it is | B.what he does |
C.how it is | D.why it does |
She says she still remembers the things and the persons ______ I told him last year.
A.which | B.that | C.who | D.whom |