________ repeatedly, the problem still appeared in the beginners’ homework.
#100762
A
Explaining
B
Having explained
C
Having been explained
D
To be explained
推荐题目
I want to buy that kind of cloth because I ______ the cloth ______ well．
#102290
A
have told; washes
B
was told; washed
C
have been told; washes
D
have been told; is washed
His parents are very concerned about his son at school because he _______moving in his seat.
#103160
A
is always keeping
B
always keeps
C
does keep
D
has always kept
—Have you got any job offers?—No. I _________.
#104590
A
waited
B
had been waiting
C
have waited
D
am waiting
Yesterday, when I went to his office, he ______ online for some information. I think it will be an interesting lecture.
#102100
A
searched
B
was searching
C
would search
D
has searched
—Have you thought of the topic for the composition? — Not yet．I _____ it very carefully, but I haven’t decided.
#104122
A
will consider
B
have been considering
C
had considered
D
was considering