When the old man ______ to walk back to his house, the sun       itself behind the mountain. 
#101758
A
started; had already hidden
B
had started ;had already hidden
C
had started; was hiding
D
was starting; hid
推荐题目
 ---- My leg hurts a lot----You'd better go to the doctor and have it ____.
#101057
A
examined
B
being examined
C
to be examined
D
examining
 Great changes ______ in the past few years, and a lot of factories ________.
#100648
A
had taken place; have been set up
B
have taken place; have been set up
C
took place; have set up
D
were taken place; were set up
The singer and dancer ________ come to the party tonight.
#99730
A
is to
B
are to
C
are going to
D
was to