پرسش‌ها با تگ (تست گرامر)

The author Mark Twain worked as a newspaper reporter in Nevada and California before moving to Hartford, Connecticut, ………….. he wrote most of his books.

Medical research at the cellular level, ……… research on the immune system, has been  made possible through twentieth-century advances in techniques of genetic research.   

In so-called nonfiction novels, a documentary style is combined with fictional  techniques ……… actual events and people.  

Although Margaret Mead had several assistants during her long investigations of  Samoa, the bulk of the research was done by ……… alone.   

Constituting one of the earliest engineering techniques, ......... in Paleolithic time was  done in order to extend natural caves. 1)  2) 3) 4) 

......... as a masterpiece, a work of art must transcend the ideals of the period in  which it was created.  

......... break, they can be joined with a touch of nail polish.

Cellulose, ........., is one of the many substances known as carbohydrates.  

Conditions required for seed germination include abundant water, an adequate  supply of oxygen, and ......... .  

When wood, natural gas, oil, or any other fuel burns, ……… with oxygen in air to  produce heat.