If some guests complain that there is a smoking guest in the non-smokingrestaurant, wh

● The critical path in a schedule network is the path that:

A Takes the longest time to complete

B Must be done before any other tasks

C Allows some flexibility in scheduling a start time.

D Is not affected by schedule slippage

E All of the above.

The critical path in a schedule network is the path that:

A.Takes the longest time to complete

B.Must be done before any other tasks

C.Allows some flexibility in scheduling a start time.

D.Is not affected by schedule slippage

E.All of the above.

Word has come __________ some guests from canada will visit our school.

A.what

B.that

C.whether

D.when

She wanted to serve some coffee to her guests; however, _________.

A．she hadn't many sugar

B．there was not a great amount of the sugar

C．she did not have much sugar

D．she was lacking in amount of the Sugar.

Some of the guests ______ to the party were from other cities.

A．to invite

B．invited

C．being invited

D．had been invited

A.A. having not considered

B.B. not having considered

C.C. having not been considering

D.D. not considering

A、most guests pay little attention to them.

B、most travelers are willing to ask for help from a staff.

C、some guests may still want to be greeted when they arrive.

D、most guests are difficult in using them.

A.need

B.use

C.ask for

D.want

Ann's first piece of advice is that Mary should______.

A．get the food ready before the guests arrive

B．keep the guests away from the kitchen

C．spend some time with the guests

D．accept the guests' offer to help