It's really very dangerous.One more step，________ the baby will fall into the well.
| A．or | B．so | C．but | D．and |
No one except my parents _____anything about it.
| A．know | B．knows | C．is knowing | D．have known |
This pair of shoes ____made in Nanjing.
| A．is | B．are | C．have been | D．had been |
Between the two rows of trees _____the teaching building.
| A．stand | B．stands | C．standing | D．are |
They each ____ a beautiful handkerchief.
| A．have | B．has | C．there is | D．there are |
Each of the students _____ a Chinese-English dictionary.
| A．have | B．has | C．there is | D．there are |