Better _____ all the lights are turned off before you leave the classroom．
| A．to be sure | B．to make sure | C．be sure | D．make sure |
______ these new treatments , people with high blood pressure can live a long and active life .
| A．According to | B．Thanks to |
| C．As for | D．Instead of |
__ Sally , our monitor , was late for class this morning .
__ _________ ? As far as I know , she never came late for class.
| A．How come | B．what for |
| C．So what | D．Why not |
The questionnaire takes _________ ten to fifteen minutes to complete and can be used along with the assessment interview.
| A．mainly | B．exactly |
| C．approximately | D．precisely |
Before our study we did not have data that could tell us __ those changes were small or large .
| A．that | B．how | C．when | D．whether |
Generally speaking , almost all the kids are ______about how everything around them works.
| A．curious | B．careful |
| C．anxious | D．excited |