I hope ____ the little ____ I have been able to do has been of some use.
A. that; that B. 不填；by which C. what; what D. 不填；with which
One of the man held the view ____ the book said was right.
A. that what B. what that C. that D. whether
______________ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.
A. It is the sun and not the earth B. Being the sun and not the earth
C. The sun and not the earth D. That the sun and not the earth
I was so angry at all _____ he was doing _____ I slapped (抽) his face.
A. what; that B. which; that C. that; that D. that; so
That is the reason _____I refused it.
A. why B. for that C. because D. which
The tables and pictures help make ________ clear ________I wasn't sure of before.
A. it; for me to understand what B. it; everything
C. everything; to understand what D. /; what
