Question

where is our maths teacher from

1.——Where is our maths teacher?
——She is in the classroom,( ) the exercises ( ) the students have done at home.
A.explaining;/ B.explaining;for C.explained;to D.explained;from
2.Yesterday a street—beggar bought a lottery ticket purposelessly,( ) him a millionaire overnight.
A.making B.makes C.to make D.made
为什么第一题不选C,第二题不选A?

Answer 1

1. 应该选B，因为有She is 所以是现在进行时explaining，为昨天写作业的同学讲解是为他们做所以是for

2. 应该是D, 因为是Yesterday是过去时，made是make的过去式

解释的不太好啊~ 英语中文都不怎么样。。。