--- I ______ so busily recently that I ______ no time to help you with your math. --- That’s OK. I can manage it by myself.
#104279
A
have been working; have
B
have worked; had
C
am working; will have
D
had been working; had had
推荐题目
____is known to all, good friends _________ happiness and value to life.
#99280
A
It; add
B
As; add
C
It; add up
D
As; add to
Tsinghua University, ______ in 1911, is home a great number of outstanding figures.
#101770
A
found
B
founding
C
founded
D
to be founded
Hanoi declared that it ______by fast-spreading H1V1, which ____other countries nearby.
#103504
A
was being struck ,had hit
B
has been struck,had hit
C
has been struck ,has hit
D
will be struck , has hit
Life abroad was not easy for him, and it was several years before he ________ the whole community.
#102091
A
had been familiar with
B
got familiar with
C
have been familiar with
D
would be familiar with
Visitors ______ not to touch the exhibits.
#105000
A
will request
B
request
C
are requesting
D
are requested