Ellen was painter of birds and of nature,_______ ,for some reason, had withdraw from all human society.
| A．which |
| B．who |
| C．where |
| D．whom |
__________ they will not come to join us, we have to change our plan.
| A．Seeing that | B．When |
| C．For | D．As soon as |
That is __________ the problem lies.
| A．how | B．when |
| C．where | D．what |
__________, Carolina couldn’t get the door open.
| A．Try as she might | B．As she might try |
| C．She might as try | D．Might as she try |
Only after ________ his work ________ to see his grandfather.
| A．finishing; did he go |
| B．he finishes; did he go |
| C．he finished; he went |
| D．having finished; he went |
________ in the work that she often forgot ________ her meals.
| A．So absorbed was Keller; to take |
| B．So absorbed Keller was; to take |
| C．So absorbed Keller was; taking |
| D．So absorbed was Keller; taking |