He apologized for his mistake, saying that he ___________no offence．
| A．supposed | B．intended | C．considered | D．pretended |
Mrs Turner told me that she ______ to many cities across China when she was young.
| A．had been | B．has been | C．went | D．would have gone |
Although our former neighborhere for years, we seldom met with each other．
| A．lived | B．has lived | C．was living | D．had lived ． |
The green-hand cookthe soup by putting in too much salt accidentally．
| A．spoiled | B．damaged | C．injured | D．harmed |
The experts present at the conference all insisted that greenhouse gas emissionbe reduced from now on．
| A．must | B．will | C．/ | D．can |
The new technology, ifto rice growing, will help increase the grain output．
| A．applying | B．applied | C．to apply | D．having applied |