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
At the end of the meeting,it was announced that an agreement_______.
#104615
A
has been reached
B
had been reached
C
has reached
D
had reached
$100 a month could hardly the cost of his life in such a big city in this country.
#101787
A
spend
B
take
C
cover
D
meet
—Your spoken English is so good. Have you been abroad?—Yes. I in London for two years.
#102968
A
have stayed
B
stayed
C
had stayed
D
have been staying
—Did any signs come up before the earthquake? —Yes. Unusual things all those days. For example, a number of animals got out their homes.
#99241
A
happening
B
were happening
C
has happened
D
had happened
---We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. ---I really should have gone with you, but I ________ on some remaining problems.
#101084
A
was working
B
would work
C
worked
D
had worked