The girl has a great interest in sport and ________ badminton classes twice a week over the last three years.
| A．took | B．is taking |
| C．takes | D．has been taking |
Studies show that people are more_________to suffer from back problems if they always sit before computer screens for long hours.
| A．likely | B．possible | C．probable | D．sure |
. I have to see the doctor because I_________a lot lately.
| A．have been coughing | B．had coughed |
| C．coughed | D．cough |
John thinks it won't be longhe is ready for his new job.
| A． | when | B． | after | C． | before | D． | since |
His first booknext month is based on a true story.
| A． | published | B． | to be published | C． | to publish | D． | being published |
It never occurred to meyou could succeed in persuading him to change his mind.
| A． | which | B． | what | C． | that | D． | if |