—Is Bob still performing?
—I’m afraid not．He is said the stage already as he has become an officiaL
| A．to have left | B．to leave | C．to have been left | D．to be left |
. Our country has a ____ history of 4000 years.
| A．recording | B．recorded | C．record | D．records |
. —When shall we meet again? —Make it any day you like; it’s all ___ to me.
| A．similar | B．the same | C．different | D．the right |
I don’t feel _____ about it. How can I go to sleep?
| A．strange | B．worried | C．easy | D．interested |
. It wasn’t long before they found that there was much trouble ___ the plan.
| A．to carry out | B．carrying out |
| C．with carrying out | D．to have carried out |
. Have you got any books ____ problems with children?
| A．treat | B．to treat | C．that treat | D．what treat |