It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
A. shadow B. similarity C. sample D. symptom
He is opposed to such a view that it is his intelligence and good luck that have ________ his success.
A. contributed in B. led to C. come out D. resulted from
She loved her husband _________the fact that he is addicted to smoking.
A. due to B. as C. despite D. though
I can’t buy ________that one.
A. as good a book as B. as a good book as
C. such good book D. so good book as
The troops _______ themselves to go into battle.
A. prepared B. were prepared C. to prepare D. preparing
But for friction (摩擦力), people ______ neither walk, nor even stand up.
A. can B. were able to C. will be able to D. could
