The number of clerks who smoke _______ increased.
A: have
B: are
C: has
D: have been
A: have
B: are
C: has
D: have been
举一反三
- The number of teachers in our college______ greatly increased. A number of teachers in this school______ from the countryside. A: has; is B: has; are C: have; are D: have; is
- Since then the number of wild animals there _____greatly. A: have increased B: has increased C: is increased D: are increasing
- Jerry is one of the students who ___ England. A: have been to B: has been to C: have to D: has gone for
- She is one of the volunteers who ______ greatly praised by the government. A: have B: have been C: has D: has been
- Thousands of people have been moving to Shenzhen since 1992, its population _________ to over 10,000,000. A: increasing B: increased C: has increased D: has been increased