Your advice ________ very good. I’d like to have a try.
| A．feels | B．sounds | C．tastes | D．smells |
Many people shop on line, ________ years ago, they bought things only from stores.
| A．and | B．so | C．but | D．or |
He lives on ________ floor in that building.
| A．three | B．third | C．the third | D．the three |
You are not supposed to get off the bus ________ it stops.
| A．though | B．while | C．until | D．because |
My teacher encouraged me ________ more confident.
| A．am | B．is | C．be | D．to be |