The toughest thing about success is ________ you have to keep on being a success.
| A．why | B．when | C．what | D．that |
What ______ me was that there was a ______ look on her face due to the ______ problem.
| A．confuses; confusing; confusing |
| B．confused; confused; confused |
| C．confused; confused; confusing |
| D．confused; confusing; confusing |
Our country ______ great changes in the last 30 years and it is no longer it used to be.
| A．went through; what | B．went through; that |
| C．has experienced; that | D．has experienced; what |
Every student as well as teachers who ______ to visit the museum ______ asked to be at the school gate on time.
| A．is; is | B．are; are | C．is; are | D．are; is |
______ about the missing boy’s safety, the police stepped up their search.
| A．Concerning | B．Concerned | C．Being concerned | D．Concern |
I don’t feel well; I think I’m ______ with the flu.
| A．going on | B．getting in touch | C．putting off | D．coming down |