Ataskofthepostofficestaffisto_(class)mailaccordingtotheplacesitistogo
classify
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InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
The United States is a country_ (advance) in science and technology
The_(month)salaryforthepositionwillbenegotiableataround$2,000.
Itwillbeinterestingtoseewhat’sgoingtohappenatthenext________(elect).
Do not let this __(say) of you. It shows an unattractive indifference to your employer and to your job.