I _____ for five minutes； why don’t they come？
| A．am calling | B．Called | C．was calling | D．have been calling |
Nobody ______ seen the film. It’s a pity.
| A．but Tom and Jack have | B．except Tom and Jack have |
| C．but my friends has | D．but I have |
There _____ a dictionary and several books on the desk.
| A．are | B．must | C．have been | D．is |
What she says and does _____ nothing to do with me.
| A．was | B．were | C．has | D．have |
Every possible means _____ .
| A．has tried | B．has been tried |
| C．was tried | D．were tried |
When ______ the United Nations founded?
| A．is | B．are | C．was | D．were |