Edisontestedmorethanonethousandmaterialstoseeiftheycould_____electric;currentandglow.

Makesurethattransportationtoandfromtheriverisarrangedtoyour______.

Increasing_______________(compete)inthetechnologyindustriesinAsiawillforcecompaniestorecruitmorequalifiedcandidates。

Anyvisitorstotheproductionfacilitiesmust____asecuritypassfromtheinformationdeskatthefrontentrance.

You'veonlygotaslightcold.You'll_____itinadayortwo.