Do you know we have much difficulty ____ the work on time..
| A．on finishing | B． finishing | C．to finish | D．at finishing |
Let’s talk about the persons and the things ________ we can remember.
| A．which | B．whom |
| C．that | D．what |
So far all cloned animals have suffered from some different serious disorders，________ dying soon after birth.
| A．many of which | B．many of whom |
| C．many of them | D．many of that |
The students ________ are expected to pass.
| A．were taught by Professor Deacon |
| B．whom were taught by Professor Deacon |
| C．when were taught by Professor Deacon |
| D．Professor Deacon taught |
Jim passed the driving test，________ surprised everybody in the office.
| A．which | B．that |
| C．this | D．it |
I want to use the same dictionary ________ was used yesterday.
| A．which | B．who |
| C．what | D．as |