—— Is Tom still smoking ?
—— No.By next Saturday he ＿＿＿＿＿＿＿ for a whole month without smoking a single cigarette.
| A．will go | B．will have gone | C．will have been | D．has been going |
Taking this medicine，if________，will of course do good to his health.
| A．continued | B．to continue |
| C．continues | D．continuing |
________such a heavy loss，the businessman didn’t have the courage to go on.
| A．Having suffered | B．Suffering |
| C．To suffer | D．Suffered |
I’ve worked with children before，so I knew what ________ in my new job.
| A．expected | B．to expect |
| C．to be expected | D．expects |
Generally speaking，prices of daily goods ________ through the Internet are lower than store prices.
| A．to buy | B．are bought |
| C．buying | D．bought |
The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |