--Where is Jack? --He’s left a ______saying that he will be back in a minute.
The schoolboy _________to the blind man on his Way home yesterday afternoon.
Look,so many passengers__________ with their smart phones on the underground.
I hate travelling by air__________ you usually have to wait for hours before the plane takes off.
Which do you prefer to use to keep in touch with your friends,QQ__________MSN?
The volunteer spoke as__________ as she could to make the visitors understand her.