It was with great joy _______ he worked out the problem that he had long been puzzled about.
#85025
A
which
B
that
C
because
D
since
推荐题目
It was about 600 years ago ______the first clock with a face and an hour hand was made .
#85478
A
that
B
until
C
before
D
when
It is in Qingdao _____ you’re going to pay a visit to _____ this kind of washing machine is produced.
#84995
A
/ , that
B
where, which
C
/ , where
D
that, which
It was the training ____ he had as a young man ____ made him such a good engineer.
#84997
A
what; that
B
which; that
C
that; which
D
that; what
– ______ you didn’t turn up at the party last weekend? -- My plane was delayed by two hours.
#85316
A
What was it
B
When was it
C
How long was it that
D
Why was it that