I took mathematics and physics because I think that ________ very important for me to make further research in this field.
#86325
A
what is
B
they are
C
this
D
which are
推荐题目
___________ on both sides of the street ___________excited fans who wanted to see the famous football player named David Beckham.
#85656
A
Standing; was
B
Waiting; were
C
Arriving; was
D
Living; were
The teacher， together with the students, _ __ discussing Reading Skills that ______ newly published in America.
#85913
A
are; were
B
is; were
C
are; was
D
is; was
The Smiths ______ their breakfast when the doorbell rang.
#86177
A
had
B
has been having
C
are having
D
were having