— I wonder how much you charge for your services．
— The first two are free _______the third costs $30．
| A．while | B．until | C．when | D．before |
American women were _____ the right to vote until 1920 after many years of hard struggle.
| A．ignored | B．refused | C．neglected | D．denied |
We can't _____ one to change the habits of a lifetime in a short time.
| A．hope | B．wait | C．expect | D．imagin |
Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
| A．As a result | B．By the way | C．On the whole | D．In a word |
All but Dick ________ in Class Three this term.
| A．are | B．is | C．were | D．was |
I took mathematics and physics because I think that ________ very important for me to make further research in this field.
| A．what is | B．they are | C．this | D．which are |