The actress looked so charming in the beautiful Vera Wang dress that photographers took _______ pictures of her.
| A．a great many | B．mass of |
| C．the number of | D．a large amount of |
What we need____ good textbooks.
| A．is | B．are | C．have | D．has |
That they were wrong in these matters ____ now clear to us all.
| A．is | B．was | C．are | D．all |
Large quantities of water ____ for irrigation.
| A．is needed | B．has -needed | C．are needed | D．need |
Between the two rows of trees ____ the teaching building.
| A．stand | B．stands | C．standing | D．are |
I have finished a large part of the book, the rest of which___ more difficult.
| A．is | B．are | C．was | D．were |