According to a new study by a British’s university , learning ______ second language can lead to ________ increase in your brain power.
| A．a ; the | B．不填；the | C．a ；an | D．the ；an |
The bell ________ the end of the period rang _______ our heated discussion .
A indicating , interrupting B indicated, interrupting C indicating , interrupted D indicated, interrupted
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