A. any topic B. which topic C. whichever topic D. the topic he thought it
A. does there B. isn't there C. hasn't there D. isn't it
A. to stay B. stayed C. stay D. having stayed
A. made convenient B. made it convenient C. made it convenient for D. made it convenient to
A. was;since B. is;that C. will be;when D. was;before
A. How a great success B. What a great success C. How great success D. What great succe
A. children are allowed B. are children allowed C. children will allow D. will children allow
A. that deprive B. that it deprives C. that deprives D. when it deprive
A. knowing B. known C. to be known D. having know
A. to seeing B. to see C. seeing D. to have see