Mohammad

many climate scientists think there is another reason for the change in temperature. they think that human activities like cutting down trees, etc. are helping make the earth warmer.

The sleep button of my laptop was missing. I searched a lot for the solution but none of them worked. I finally decided to replace my windows 8.1 by windows 7. but there are some softwares that I want to have in my new windows. I don't have the dvd's of those softwares.

I mean has "mostly" been used correctly in the following sentence.

dictation has been mostly used to help learners with their listening skill.

learners of English whose native language is Persian. I want to use the words after "whose" as an adjective before "learners". Is it correct to say Persian learners of English???????????????

The hypothesis holds that the more marked the difference between a feature in L1 and L2 is, the greater the difficulty in learning that feature will be.

a. beginning Iranian EFL learners

b. Iranian EFL beginning learners

EFL: English as a Foreign Language

Within all these transitions in history of ELT, teaching listening waxed and waned. Today, everyone acknowledges the importance of listening within classes.

I mean: students who speak one language and that is English. 10 points for the best answer.

Is it ok to address my teacher as " Teacher Wilson" when I want to attract his attention? How female and male teachers should be addressed.

I have been looking for penpals since long ago and have tried different websites like penpelpenpal.net and hipenpal.com, etc., but unfortunately none of them worked. do you know ways other than websites? thanks in advance.

Determining.........effect of pregnancy age on........... length of hospitalization due to delivery

in the following sentence should the verb impose get a third person S or not?

the cost burdens that hospitalizing parturient women impose on their society and family