市电电压为_____，频率为_____，周期为_____。
Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.
InCanadathefederalgovernmentshavealwaysbeenformedby________.
The()Ageofthe1920scharacterizedbyfrivolityandcarelessnessisbroughtvividlytolifeinTheGreatGatsby.
Weareinterestedintheweatherbecauseit_______ussodirectly—whatwewear,whatwedoandevenhowwefeel.
WilliamFaulkneroncesaidthat()isastoryof“lostinnocence,”whichprovesitselftobeanintensificationofthethemeofimprisonmentinthepast.
Weather_______,we’llgooutforawalk.
In1900,theUnitedStatesrankedfirstintheworldintheproductionof________.
Parents,teachersinschoolsandcommunicatorsinorusingthemassmediaareallcapableof________ourpotentialinterests.
Theoutlineofrooftopsandchimneys________againstthepalesky.
IntheUnitedKingdom,thepartywhichwinsthe________numberofseatsintheHouseofCommonsbecomestheofficialOpposition.