I had meant to meet you at the airport this morning but I was too busy for I ________ a report.
#99461
A
wrote
B
was writing
C
have written
D
had written
推荐题目
It’s said that a car accident_____________on the highway this morning. 
#104050
A
happens
B
happened 
C
was happened
D
has been happened
No matter what substance it may be, it is ________ atom. 
#101591
A
resulted from
B
formed
C
made up of
D
made up with
Unfortunately, when I arrived she ________, so we had only time for a few words.
#103520
A
just left
B
had just left
C
has just left
D
was just leaving