The two girls are so alike that strangers find_____ difficult to tell one from the other.
| A．it | B．them | C．her | D．that |
Don’t let yourself ______ into buying things you don’t really want.
| A．persuade | B．be persuaded | C．to persuade | D．persuading |
—Is this the magazine ______ she often writes articles?
—Yes, it is.
| A．to which | B．of which | C．for which | D．about which |
“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
| A．the; a | B．a; 不填 | C．不填; 不填 | D．a; a |
20.If you are unable to attend the interview, for __________reason, you should inform us immediately.
| A．no matter what | B．whatever | C．however | D．no matter how |
19. You should write it in a style which is__________to your subject.
| A．accurate | B．attractive | C．appropriate | D．Available |