________ his job application carefully, he emailed it to the company where he wanted to work.
| A．Having checked | B．Checked | C．Checking | D．To have checked |
Tom was at a loss as to how a car worked, so it was ______ that he knew nothing about how to repair cars.
| A．apparent | B．absurd | C．confused | D．complicated |
Mammals ________ nearly all warm-blooded animals except birds.
| A．settle in | B．settle down | C．take in | D．take up |
A study ______ that women find it more difficult to give up smoking than men.
| A．directs | B．indicates | C．influences | D．guides |
A wonderful idea ______ me that day when I met with a tough problem.
| A．happened to | B．occurred to | C．seemed to | D．compared to |
You’ve done so much work —you’re ____ pass the exam.
| A．addicted to | B．bound to | C．due to | D．accustomed to |