Paul’s wish is to become a pilot, ________?
| A． isn’t he | B． is he | C． isn’t it | D． is it |
The central provinces have floods in some years，and .
| A．others in droughts | B．droughts in other |
| C．in others droughts | D．droughts in others |
One of the sides of the board is going to be painted yellow，and .
| A．the other is white | B．another white | C．the other white | D．another is white |
This is an illness that may result in total blindness if .
| A．being left untreated | B．left untreated |
| C．not left treating | D．not having left untreated |
—Excuse me.Did you notice whether the No.108 Bus had gone by?
—NotI’ve been standing here.
| A．as | B．when | C．since | D．while |
―What do you think made Tom unhappy?
―his new bicycle again.
| A．As he lost | B．Lost | C．Losing | D．Because of losing |