The teacher had a _______ look when he found that none of his students had finished his homework.
| A．shocking | B．shocked | C．bored | D．boring |
Don’t interrupt me. I ________ letters all morning and have only finished five.
| A．write | B．have written | C．have been writing | D．am writing |
I would appreciate _______, to be frank, if the goods could be delivered as soon as possible.
| A．you | B．it | C．that | D．myself |
－What made you so delighted at Christmas?
－__________.
| A．I received many more presents than others |
| B．Because my parents promised me a new car |
| C．My uncle’s coming back from abroad |
| D．As there was an unusual celebration |
They no longer have to ______ large numbers of temporary workers to do the harvesting.
| A．take on | B．hire on | C．work on | D．carry on |
_________ many times, but he still couldn’t understand it.
| A．Having been told | B．Though he had been told |
| C．He was told | D．Having told |