A. except look B. but to look C. except to look D. but looking
A. spend B. spare C. save D. share
A. to be treated B. treated C. being treated D. be treated
A. to be cleaned B. to clean C. cleaning D. cleaned
A. being discussed B. discussed C. to be discussed D. to discuss
A. tired;learned B. tiring;learning C. to tire;to learn D. tired;to learn
A. for finding it B. to find it C. finding it D. by finding it
A. sit B. sit on C. be sit D. be sat on
A. eat B. to eat C. eating D. for eating
A. troubling B. trouble C. to trouble D. have trouble