John got his phone for his birthday, his parents don’t let him use it in school.
| A．however | B．which | C．but | D．when |
.
The bridge being built there _______ by the time you come back.
| A．has been completed | B．will have been completed |
| C．will complete | D．has completed |
.
---How do you find your visit to the zoo?
---________
| A．Oh, wonderful. | B．I went there by myself. |
| C．By bus. | D．A guide helped me. |
.
On the wall _______ two large maps.
| A．hang | B．hangs | C．are hanged | D．is hung |
.
Don’t you think it _______ that the new technique should be spread to more areas?
| A．violent | B．concerned | C．serious | D．urgent |
.
The growing speed of a plant is influenced by a number of conditions, _______are beyond our control.
| A．most of them | B．most of which | C．most of what | D．most of that |