问题

I wonder what makes him a good English teacher.—He ________ as a volunteer in the UK for three years, which helps with his work a lot.

A:served
B:has served
C:serves
D:had served;

正确答案是：

同类题型

He comes to see us ____ the morning ___ October 31st every year.

Tom appreciated_________the good chance tostudy in Oxford since he graduated from No 4 High School in Shenyang

We students must these school rules. They are good for us.

Wouldyoucomeandjoinus　—IwishI_____Iambusyatthemoment

Mark works hard now，and he does his work________than before．