Computers and mobile phones, playgh they are indeed making our life________and more________have reduced the need for face-to-face cotyr unication.（）
| A． | easily;effienenl | B． | easier;efficient | C． | easy;efficiently | D． | easily;efficiently |
Have you read the book _______is broken ?
A cover whose B whose cover C the cover of whose D the cover of that
The time is not far away _____ modern communications will become widespread in China’s vast countryside.
A as B when C until D before
I have many books ,but _____ deals with the problem.
A none of which B none of them C call of which D all of them
The great hall was crowded with many people ,_______many children ________on their parents’ laps.
A including ,seated B including , seating C included , sat D included , sitting
The reason _____ which he wants to reason _____ then is still unknown
A With ,in B in ,with C for , with D with ,for