The____populatedareawasabreedingplaceforinfectiousdiseases.
A、densely
B、sparcely
C、improperl
D、poisonous
Time_____,thecelebrationwillbeheldasscheduled.
A、permit
B、permitting
C、permitted
D、permits
Hewasalmostasleep,____withallthishardwork.
A、worndown
B、wornout
C、wornoff
D、wornaway
Allofusknow,color-blindpeopleoftenfinditdifficultto__betweenblueandgreen.
A、separate
B、distinguish
C、compare
D、contrast
Youmustpayimport____oncertaingoodsbroughtintothiscountry.
A、money
B、fees
C、bills
D、duties