Doctor Smith has made another wonderful discovery, _______ great importance.
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
推荐题目
_____ you have worked out the first problem, you may go on to work on the second.
#31378
A
Even if
B
Unless
C
Now that
D
Though
How did you manage to get to school on time ______ you missed the school bus?
#79910
A
when
B
if
C
once
D
because
The road is covered with ice. I can’t understand they insist on going by bike.
#34239
A
why
B
when
C
how
D
whether
Cathy had quit her job when her son was born _______ she could stay home and raise her family.
#29998
A
now that
B
as if
C
only if
D
so that