There____six countries in SCO（上合组织） at first， but now the number has increased to eight．（ ）
A．isB．areC．wereD．will be
does it take you to get to school by bike？
About fifteen minutes．（ ）
A．How soonB．How oftenC．How longD．How far
I'm Daisy， not Jessie．
Sorry， I have difficulty people's names．（ ）
A．rememberingB．remember
C．to rememberD．remembered
She be slow， but at least she doesn't make stupid mistakes．（ ）
A．needn'tB．mayC．can'tD．shall
What do you think of Jason？
He has me with his good sense of humour．（ ）
A．impressedB．admiredC．remindedD．warned
The boy has been missing for five days and his parents are worried about his ______．（ ）
A．attentionB．safetyC．actionD．growth