1.It is necessary（a.you b.to c.harder d.for e.study）

It's not necessary ____ the same.A、be B、is C、 to be D、being 1.( ) is kind ( ) you to do so. A.It;of B.It;for C.This;of D It is important _us _ study Euglish hard.A.to,to B.for,to C. 1.Do you think it is necessary for a college student to stud It is very nice ( )you A of B for C at D to 1.It is time （ ）break.A for B for a C to D to have 为什么? it is necessary for you to remember some usefui words and e Did you study _____exams?A.for B.to C.about D.on I find __ not essy to study math well. A.that B.it C.is D./ maybe it is ____they have a harder life.A.what B.how C.why D A,B,C.D.E,F,G,Hstand for 0 to 8.can you work it out? A,B,C,D,E,F,G,H stand for 0 to 8.can you work it out