Mum，you really need to have a rest！You ________in the kitchen ever since you came back home three hours ago.
#99412
A
had worked
B
were working
C
have been working
D
worked
推荐题目
When _____ the letter, tears came to her eyes.
#101827
A
she was reading
B
reading
C
she reading
D
read
Large quantities of water, as well as some other timely help including a medical team ___since the serious drought hit Yunnan Province.
#101955
A
has offered
B
had been offered
C
have been offered
D
is offered
---You’re trembling. What’s happened?---- I ______ outside in the cold for over an hour waiting for a bus.
#100468
A
was standing
B
have been standing
C
stood
D
will stand
--- What are you busy with? --- The conference in our city next week.
#103322
A
held
B
to be held
C
be holding
D
will be held