When are the visitors excepted to ask questions?

A． During the lunch hour .

B． After the welcome speech .

C． Before the tour of the labs.

[单选题]When are the visitors expected to ask question?A． During the lunch hour.B． After the welcome speech.C． Before the tour of labs.

[单选题]When are the visitors expected to ask questions ?A． During the lunch hourB． After the welcome speechC． Before the tour of the labs

[单选题]When are the visitors expected to ask questions?A． During the lunch hour.B． After the welcome speech.C． Before the tour of the labs.

[单选题]20 When are the visitors expected to ask questions?A． During the lunch hour．B． After the welcome speechC． Before the tour of the labs

[单选题]Parents with large families ask fewer questions at dinner because 。A． they are busy serving food to their childrenB． they are busy keeping order at the dinner tableC． they have to pay more attention to younger childrenD． they are tired out having pre

[单选题]27． Who can you ask for help when your parents quarrel?A． Grandparents．B． Uncles．C． Neighbors or teachers．D． A．B and C．

[单选题]If I am not _____ when you come to my office, ask for my secretary.A.suitab

[单选题]The visitors are impressed by the hospitality of the local people.A．friendlinessB．banquetC．presentD．capability

[单选题]The visitors here are greatly impressed by the fact that_______ people from all walks of life are working hard for_____ new Jiangsu.A．不填; aB． 不填;theC． the; aD． the; the

[单选题]When the teacher attempts to elicit more information from the students bysa