问题

I want to ring him _______ to know the reason why he rang _______ while I was speaking yesterday[ ]
A: back;up
B: up;off
C: up; down
D: on;off
B: up;off
C: up; down
D: on;off
正确答案是:
同类题型
I _____ sooner but I didn’t know that theywere waiting for me.
I am amazed atsomeone so rich _____ difficulty in paying what he owes you.
3He thinks I have spoken ill of him, ____ I’m always speaking well of him
The farm as well as its neighboring hills we once spent so much time ___ a new look recently