----Is this the first time you ________ to Harbin?
---- No, but the first time I ____ here, the city wasn’t so beautiful.
| A．visited; came | B．visited; have come | C．have visited; have come | D．have come; came |
When I first met Bryan I didn’t like him，but I________my mind.
| A．have changed | B．change |
| C．had changed | D．would change |
It remains to be seen________the newly formed committee’s policy can be put into practice.
| A．that | B．which |
| C．what | D．whether |
________one of you breaks the window will have to pay for it.
| A．Whoever | B．Whatever |
| C．Whichever | D．Wherever |
________you said at the meeting describes a bright future for the company.
| A．When | B．How |
| C．What | D．That |
From space，the earth looks blue.This is ________ about seventyone percent of its surface is covered by water.
| A．why | B．how |
| C．because | D．whether |