_________ the right kind of training , these teenage soccer players may one day grew the international stars.
| A．Giving | B．Having given | C．To give | D．Given |
To test eggs，_____ them in a bowl of water： if they float they’re bad， if they sink they’re good.
| A．put | B．putting | C．to put | D．to be putting |
Before you decide to leave your job，_____ the effect it will have on your family.
| A．consider | B．considering | C．to consider | D．considered |
Children should be encouraged _____ up outside interests， such as music or sport.
| A．to take | B．taking | C．to have taken | D．having taken |
—Excuse me sir， where is Room 301？
—Just a minute. I’ll have Bob _____ you to your room.
| A．show | B．shows | C．to show | D．showing |
_____ on time， this medicine will be quite effective.
| A．Taking | B．Being taken | C．Taken | D．Having taken |