--- I ____ so busily recently that I ____ no time to help you with your maths.---That’s OK. I can manage it by myself. 
#100194
A
had been working; had had
B
have been working; had
C
have been working; have
D
am working; will have
推荐题目
Recently, I ___ my first horse ride in Lijiang, Yunnan Province  __ I paid a visit to many local attractions
#101627
A
have had ; before
B
had ;when
C
had had; in which
D
was having; which
The library needs ________, but it’ll have to wait until Sunday.
#104295
A
cleaning
B
be cleaned
C
clean
D
being cleaned