These continual _____ in temperature make it impossible to decide what to wear.
| A．alterations | B．vibrations | C．waves | D．fluctuations |
257. Today’s homework is to write a composition, its title is: Will we become _____ or master?
| A．slave | B．slaves | C．slavery | D．Slaveries |
256. --- _____ do you take?
--- Size 24 shoes.
| A．What colour shoes ____________________ | B．What size shoes |
| C．Which number shoes ____________________ | D．How much shoes |
255. Keith just shrugged his _____ and said it wasn’t his problem.
| A．shoulder | B．shoulders | C．arms | D．Bodies |
254. You can recognize a tree by the ______ of its _______.
| A．shapes…leaves | B．shape…leaf | C．shape… leaves | D．shapes…leaf |
253. I have to wear a _____ and a tie in order to work in the manager’s office.
| A．clothes | B．dress | C．shirt | D．Clothing |