In this experiment, the famous professor showed three different ________ to the study of physics.(2012·河北保定中学月考)
| A．methods | B．ways |
| C．approaches | D．means |
I will give you my friend's home address，__________Ican be reached most evenings.
| A．which | B．when | C．whom | D．where |
Alice received an invitation from her boss，__________ came as a surprise.
| A．it | B．that | C．which | D．he |
The school is divided into two semesters, the first of__________is September through December, and thesecond January through May.
| A．what | B．that | C．which | D．one |
My friend showed me round the town，__________wasvery kind of him.
| A．which | B．that | C．where | D．it |
Between the two parts of the con-cert is an interval，__________ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |