来自蔡广军的问题
Tomneedssomehelp______hishomework.Canyouhelp______?Tomneedssomehelp______hishomework.Canyouhelp______?A.to;heB.with;himC.to:himD.with;his请问,为什么选B而不选C?
Tomneedssomehelp______hishomework.Canyouhelp______?
Tomneedssomehelp______hishomework.Canyouhelp______?
A.to;he
B.with;him
C.to:him
D.with;his
请问,为什么选B而不选C?
