Internet shopping is really ____ when people are sure of its safety.
| A．taking off | B．taking up | C．setting up | D．setting off |
The how-to book can be of help to __________ wants to do the job.
| A．who | B．whomever |
| C．no matter who | D．whoever |
The plane crashed in a flash, __________ into pieces.
| A．breaking | B．to break |
| C．to be breaking | D．broke |
Bill always seems so confident, but __________ he's extremely shy.
| A．in trouble | B．in danger |
| C．in reality | D．in. surprise |
If you carry on working like this, you will __________ sooner or later.
| A．break out | B．get down |
| C．break down | D．hold on |
Everyone in our class likes Mary because she is good at telling and __________ jokes.
| A．turning up | B．putting up |
| C．making up | D．showing up |