Some people won't realize the importance of their friendship ________ they lose it．（ ）
| A． |
after |
B． |
when |
C． |
until |
D． |
as |
My 80﹣year﹣old grandma has learned to chat on WeChat!
Amazing! It's truly too late to start doing things．（ ）
A．alwaysB．neverC．sometimesD．usually
Hong Kong﹣Zhuhai﹣Macao Bridge， the world's longest sea﹣based project， brings people in those three cities within "one﹣hour living circle"．（ ）
A．aB．anC．theD．/
Could you tell me_______________？
Sure． Go down the street， you can find it at the second crossing!（ ）
A．where is the supermarket
B．where the supermarket is
C．when does the supermarket open
D．when the supermarket opens
I always feel nervous the night before the English test．
______________． I am sure you can make it．（ ）
A．Take it easy．
B．Good idea．
C．It sounds cool．
D．I'm glad to hear that．
Do you know the man ____________ spoke at the meeting just now？
No， I don't know．（ ）
A．whatB．whoC．whichD．whose