问题

I hear Robert has gone to Harvard University for his master’s degree— Oh, how nice! Do you know when he ____?
A:was leaving
B:left
C:had left
D:has left
B:left
C:had left
D:has left
正确答案是:
同类题型
Thousands of works of art, the most famous paintings ________, were missing during the war.
evening after dinner, if not ______fromwork, I will spend some time _____ my dog.
Our teacher said that light______ faster than sound.
you have been to many countries, but nowhereelse _____ such a beautiful palace
Passeagers are permitted onlyone piece of hand luggage onto the plane