Hi！ instructors， I "˜m comfused that when we dealling with this kind of comparision questions, how could we know ,which part does sentence actually compare ? most of the "comparing" sentences blur one of the two elements needed to compare. How could we distinguish which one it intend t...

Hi， Ron or Tim. i wonder the modifier " with arms and legs dangling .." is an absolute phrase. while the noun " arms and legs" have no relation with the subject visitors. could you explain why? or the logical subject is not "visitors" rather " monkey" thanks a lot~

I'm afraid I don't understand what your question is exactly, other than to ask whether something is an absolute phrase. In general, you should not concern yourself with such technicalities unless they are necessary to answer the question (which they almost always are not). If you have a question I ...

i got it， thanks， ron and tim~

hi, instructors, in my view, chioice D, add some information.... the original sentence says " calcium deposits are more likely to be..." while in choice D. it's" they are to have calcium deposits.." i think we add the word " they " here, which doesn't show in the origin...

hi! Ron and Tim~ i have a question about the verb tense here in choice C. i think the usage of past perfect is justified, since, " until the end of....."indicates a past tense, and the " remain...." happend before " until the end of.....". so we need a past perfect to indica...