You can never imagine what great trouble I had __________ the poor boy who was hurt seriously.
| A．help | B．to help |
| C．helped | D．helping |
We had much difficulty __________ home in the snowstorm.
| A．walked | B．walk | C．walking | D．to walk |
“Be careful, do not stand ___________ to the fire, Jim.” Mrs. Thompson said to her little son.
| A．closed | B．closely | C．close | D．closing |
Several pages were found _________ when the book _________ me.
| A．missing; returned | B．gone; was returned to |
| C．lost; was returned | D．disappeared; was returned to |
--- How many students are there in your school?
--- There are 2,000 students here __________.
| A．first of all | B．in all | C．after all | D．at all |
____________ two exams to worry about, I have to work really hard this weekend.
| A．As for | B．Besides | C．With | D．As |