By the time he ____ at the party, all the other guests ____ playing games.
#102205
A
arrived; had begun
B
arrived; began
C
had arrived; began
D
had arrived; have begun
推荐题目
 Look at this! I__some magazines and__this letter.
#104412
A
was looking through; found
B
am looking through; find
C
looked through; had found
D
had looked through; finding
Would you please keep silent? The weather report            and I want to listen. 
#101657
A
is broadcast
B
has been broadcast
C
is being broadcast
D
was broadcast