问题

MrSmith graduated from college at the age of 23, and ___________ he has been working as a teacher in a middle school

A:after that
B:from then on
C:from then
D:since then

正确答案是：

同类题型

Is your friend in Year — No. He is in the grade,

以下加点字词读音完全正确的一项是

They have been working on the bridge for a week Itseems they need ________ two weeks to finish it

China is _______Asian country, not _______European country.

_ they are seeing great development, they are still poorer than many countries in other parts of the world.