Nuclear ______ be really dangerous at times even though it’s a nice energy in general.
| A．shall | B．should | C．can | D．must |
This is the largest clock in the world, _____ the minute hand is six
meters long.
| A．where | B．of which | C．whose | D．which |
Sarah hopes to become a friend of _____ shares her interests.
| A．anyone | B．whomever | C．whoever | D．who |
Liu Xiang is ________ Yao Ming.
| A．as a famous athlete as | B．as famous an athlete as |
| C．so a famous athlete as | D．as famous an athlete so |
When and where to go for the on-salary holiday _____ yet.
| A．are not decided | B．have not been decided |
| C．is not being decided | D．has not been decided |
The water will be polluted unless some measures _____.
| A．will be taken | B．are being taken | C．are taken | D．were taken |