11. Ms. Wei returns all her phone calls……….. A. rarely B. every day C. never D. always
12. This long letter will require three………..
A. paper B. sheets of paper C. sheet of paper D. papers
13. Our program is …….. selling software on the market
A. the fast B. fastest C. faster D. the fastest
14. Mr. Glino has been worrying too much and……..
A. works too hard B. worked too hard
C. working too hard D. to work too hard
15. She wasn’t able to identify the man she………..that night
A. sees B. was seen C. will see D. had seen

Context clues can be definitions, examples, synonyms, or antonyms. the word root can give you an idea of the word’s meaning. affixes can you determine the word’s form and meaning. use the drop-down menus to identify the root in each difficult word. automatic: gratify: untenable:

Buy ielts certificate without exam buy ielts certificate in usa buy ielts certificate in punjab buy ielts certificate online without exam buy original ielts certificate without exam in india ielts certificate without exam in gujarat ielts certificate without exam in delhi genuine ielts certificate what'sap (+237650862831)

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes