The teacher bought many books for her students, which _____ 500.
A．added B．added to C．added up D．added up to
My younger brother dreams ________________ a spaceman.
A．to become B．of be become C．of becoming D．becoming
Is he honest? I find ____ hard to believe what he said.
A．one B．it C．/ D．that
— Have you been here before?
— Yes. This is the third time that I ______ to Shanghai.
A．come B．came C．have come D．had come
The number of the teachers who ______ cars in our school ____ increasing very fast.
A．own; is B．owns; is C．own; are D．owns; are
I hadn't seen her for 10 years, but I ____ her at once.
A．realized B．recognized C．knew D．found
