25— Why didn’t you tell him about the meeting ? — He rushed out of the room ___ I could say a word

In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.

Xiao Ming practises his spoken English oncethere is a chance and that is_________ it takes to live his dream to be a goodguide．

Do you know how long _____

___________ his telephone number,she had some difficulty getting in touch with Bill.[ ]