________ on the endless green grass are sheep, cattle and horses.
| A．Being wandered | B．Being wandering | C．Wandering | D．Wandered |
I insisted __________ to see a doctor, but he insisted nothing __________ wrong with him.
| A．on him to go; should be | B．he went; be |
| C．he go; was | D．he should go; is |
He studied hard, __________ the exam.
| A．aim at | B．aiming at passing |
| C．aiming passing | D．aiming to passing |
What makes us worried is that the number of people ______to drug is ________.
| A．addicted ; increased | B．addicting; increased |
| C．addicted ; increasing | D．addicting; increasing |
The boy became fatter and fatter each day and_____ made his parents sad.
| A．which | B．what | C．he | D．it |
This accident was______ his driving.
| A．due to | B．thanks to | C．because of | D．so as to |