The foreign guests, by an interpreter, came out of the hall.
| A．following | B．to follow |
| C．followed | D．to be followed |
Only when he got there _____how much damage had been caused.
| A．be realized | B．he had realized |
| C．had he realized | D．did he realize |
The work was difficult, but Tom’s ____expression showed that he would finish it in time.
| A．stubborn | B．determined | C．concerned | D．surprised |
Tim’s house in NY is much smaller than ours, but it's three times ______ expensive．
| A．very | B．so | C．too | D．As |
They are talking excitedly about the writers and their books ________ interest them.
| A．who | B．whom | C．that | D．Which |
My English teacher insisted that the exercises ____very difficult and that we ____them carefully.
| A．were; must finish | B．be; finish |
| C．were; finish | D．be; finished |