I smell something __________ in the kitchen. Can I call you back in a minute?
| A．burning | B．burnt | C．being burnt | D．to be burnt |
southern
| A．encourage | B．soup | C．pronounce | D．youth |
suggestion
| A．information | B．question | C．exhibition | D．connection |
nature
| A．camera | B．labor | C．village | D．natural |
The doctor did __________ save the patient’s life.
| A．that he could do | B．all what he could |
| C．all he could to | D．which he could |
—Tom, have you finished your homework?
—Yes, I ________ before you came back, mom.
| A．finished | B．have finished | C．had finished | D．finish |