I wonder________there are so many natural disasters across the world in 2010.
| A．which it is that | B．what is it that |
| C．how it is that | D．why it is that |
Fred had to have his car repaired in a garage because it _____ seriously．
| A．damaged | B．had been damaged |
| C．was being damaged | D．had damaged |
— Can you explain your mistake?
— The fact is _______ I didn’t notice the warning．
| A．that | B．how | C．why | D．what |
My iPhone isn’t in my bag．Where ____ I have put it?
| A．can | B．must | C．should | D．would |
____ you start eating in a healthier way, weight control will become much easier．
| A．Unless | B．Although |
| C．Before | D．Once |
She wishes she ___to the cinema last night．
| A．went | B．would go |
| C．had gone | D．were going |