The days are gone _____ physical strength was all you needed to make a living.
| A．when | B．that | C．where | D．which |
—Would you mind my using your dictionary?
—. Go ahead.
| A．Yes | B．Sure | C．Of course not | D．Not a little |
By the time Billy was 6, hein the sea.
| A．had already swum | B．was already swimming |
| C．has already swum | D．already swam |
It was only 3 hoursthe policeman caught the robber.
| A．before | B．since | C．when | D．that |
He is the very lecturer, experience impressed us greatly at the conference yesterday.
| A．who | B．whom | C．which | D．whose |
A terrible earthquake with tsunami happened in Japan,more than 10,000deaths.
| A．causing | B．to cause | C．caused | D．having caused |