They studied what ______ since 2007 and found Australian electricity prices were among the highest in the developed world.
#102193
A
has happened
B
happened
C
had happened
D
has been happening
推荐题目
—Have you seen Jack recently?—No. He for another company now.
#102939
A
is working
B
had worked
C
worked
D
was working
Many parents prefer kindergartens to spend more time teaching math and Chinese to help their kids _______ an early lead in primary school performance.
#99877
A
bring up
B
take up
C
build up
D
add up
---I’m worried about the coming driving test .--- Take it easy. You ______ hard and I am sure you can pass it.
#103645
A
are practising
B
were practising
C
had been practising
D
have been practising
What a pity! When we got to the cinema, the movie Let the Bullets Fly ______, so we saw only the end of it
#102677
A
was finishing
B
would be finishing
C
just finished
D
had just finished
The number of the people who own cars ______since 1990.
#101739
A
is increased
B
are increased
C
have been increasing
D
has been increasing