A=1/51+1/52+...+1/100 cmr A<31/40

He (live) ______ in London for two years when he (be) ______ a student.

A. has lived- is

B. has lived – was

C. lived- was

D. lives- is

My friend _______ judo twice a week. He also________ basketball for an hour after school hours. 

does / play

does / plays

do / go

plays / plays