That is ____ our strength lies,and forms the basis for China's interaction with the international community.A.what B.where C.in which D.how

it is on July 1,1997 that our gonvernment ____ ____ Hong Kong. it is true that ____(nature) food is good for our health It is well-known that ____ ____(take drugs) is quite bad for our health.(是否用动名词?为什么?) Is that ____ ____ you? ____ has been found out ____ oil food is bad for our healthA That ,that B That ,what C It ,what D It ,that CD怎么区别 we feel we should always ____ up everything that is on our plates （ ）The___and___is to attend our evening.（ ）The___and___is to attend our evening.A.singner,dancerB.singners,dancerC.singner,dancersD.singners,dancersEverone knows that the Earth is round.It is ____ ____ that the Earth is round.The banknote is that is our red phone Miss Green is our art teacher,and she is str ict with us but she‘s very kind.意思 He is our absolute enemy.He is ____ our enemy. 关于VFP中的day（）函数和str（）函数.高手进来看下STORE {03/05/95}TO gdBDateCLEARDAY (gdBDate)that date is,MONTH(gdBDate)STR(DAY(gdBDate),2)这里面STR（）函数代表什么? is that ____(they)classroom The number of the students in our school is larger than ____ of theirs. A. it B.that C.those. The number of students in our class is larger than ____ in theirs.A,those,B.that It is about 5 o'clock ____ we have our supper.A when B that 选A our classroom is so ____(noise) that i can't hear the teacher clearly.为什么要填那个 Our school is ____ a river. We all know that doing sports is good for our healthWe all know that ____ sports __ good for our health答案是doing和is那为什么要填doing和is呢?