“＿＿this visit, before I left the US．，I visited the Yu Ying School, a public school near the White House in Washington, D.C." said Mrs. Obama.
A. In consequence of B. In preparation for
C. In agreement with D. In answer to
_________ many times, but he still couldn’t understand it.
| A．He was told | B．Though he had been told | C．Having been told | D．Being told |
.---You see, I’m not good at English, you are poor in maths, and…
--- That’s _______ we’d better help each other.
| A．when | B．how | C．why | D．what |
I can’t fix my mind on my study, with the children ______ so noisily outside my window.
| A．playing | B．to play | C．played | D．being played |
.John sold the camera yesterday which his brother ________ him as a birthday present from Japan.
| A．has sent | B．had sent | C．was sending | D．would send |
.I can never forget the day ______ we worked together and the day _______ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |