大哥哥姐姐帮下忙了1.（）HehelpedherkindnessAoutofBatCinDfor2.()Yesterdaywekeptworkingthenight'soweareverytirednowAduringBtillCoverDthoughout3.(）MathsisveryimportantmanywaysAatBinCforD

Question

大哥哥 姐姐 帮下忙了
1.（ ）He helped her___kindness
A out of B at C in D for
2.( )Yesterday we kept working_____the night'so we are very tired now
Aduring B till C over D thoughout
3.( ）Maths is very important____many ways
A at B in C for D on

Answer 1

a
a
b