用until.
“我解答了问题”是过去的事,“老师解释”发生在过去的过去.
题目是这样的----I didn't solve the problem _____ the teacher had e
9个回答
相关问题
-
he didn't know how to solve the problem.-he didn't know how
-
very few students can work out the problem.the teacher had t
-
To tell you the______,I don`t know how to solve the problem
-
we had to___ to solve the maths problem A.tried our best B.t
-
we could not solve the problem unless the teacher helped us的
-
I can solve the problem,too
-
1.To tell you the ____,I don't know how to solve the problem
-
I can solve the problem, too(改为否定句) I ___ ___ the problem, _
-
中,English.互译,Jack didn't solve the problem,did he?不,他解决了····
-
Sally solved the problem by asking the teacher for help.(对by