Mary spent two hours ______ the math problem.[ 1分]
Mary spent two hours ______ the math problem.[ 1分]
( I spent two hours ______ my report.
I spent two hours on this maths problem.
My sister spent two hours ______ her homework.
1,yesterday we spent tuo hours walking around the park(对two
I spent two hours making the cake.(同义句转换)
为什么 Maria spent two hours (doing) the work 填doing
He spent two hours reading the book(改为同义句)
they spent two hours ____(watch)the players____(play) footba
I spent two hours doing the exercise 改为同一句
I spent two hours on this maths problem这句话里on this maths pro
I spent two hours working out this problem.(改为同义句)