Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.
A、longA
so long as：只要。是固定搭配。
Fromtheviewpointofwordformation,theword“smog”isa______.
—Davidhasmadegreatprogressrecently.—_______，and_______.
Washingthefooddownwithwaterasasubstitute________chewingisnotagoodhabit
Moderneconomics________thecountry’sagriculturalpolicies.
Ittookafewsecondsforhereyesto________tothedarkness.
