【1:LearningEnglishisn,tdiffvult!Infactthere,snothing_____itA:forB:toC:atD:in2:Areyougood____rememberingEnglishwords?A:toB:forC:inD:at3:Jennylovessportsandshe,sparticularlybeen___tennisandathletics.A:atB:onC:overD:in4:The】

　　1:LearningEnglishisn,tdiffvult!Infactthere,snothing_____it

　　A:forB:toC:atD:in

　　2:Areyougood____rememberingEnglishwords?

　　A:toB:forC:inD:at

　　3:Jennylovessportsandshe,sparticularlybeen___tennisandathletics.

　　A:atB:onC:overD:in

　　4:Theerathmoves____thesun.

　　A:roundB:towardsC:aroundD:awayfrom

　　5:I,llmeetyou____theairport____Saturday

　　A:on,onB:at,onC:in,at,D:in,for

　　（请解释选择的原因,）