Nowadays，scientists are working hard to find a best way of treating addictions ________ drugs.
| A．of | B．in | C．on | D．to |
Actually, girls can be ________ they want to be just like boys, whether it is a pilot, an astronaut, or a general manager．
| A．wherever | B．however | C．whatever | D．whoever |
— Have you checked all the relief ______ to the people in the drought-hit areas?
— Yes, several times．But I’ll check it once more．
| A．sent | B．sending | C．to send | D．to be sent |
— Hello．Can I speak to Robert, please?
— Hold on, please．He ______ in the garage．
| A．works | B．worked | C．is working | D．has worked |
Our manager is going to have a new factory _______ on the ruined one.
| A．built | B．be built | C．to be built | D．being built |
I think basketball is _______．I like to watch it.
| A．boring | B．bored | C．exciting | D．excited |