第1题:
whom
which
whose
who
第2题:
第3题:
第4题:
large population
educational institutions
transport system
beautiful parks and gardens
第5题:
第6题:
第7题:
charges
money
prices
expenses
第8题:
第9题:
第10题:
第11题:
had been paid
has been paid
will be paid
will have been paid
第12题:
第13题:
第14题:
第15题:
She’s a secretary.
She’s a manager.
She’s an engineer.
She’s a teacher.
第16题:
took away
put forward
looked after
got on
第17题:
第18题:
neither
none
either
all
第19题:
第20题:
第21题:
第22题:
eggs break easily on a moving skateboard
cars should not be stopped suddenly
seat belts are important to safety
driving is a dangerous act
第23题:
第24题: