Mr Black has two sons, one of ________working as a doctor.
#91000
A
them
B
who
C
whom
D
whose
推荐题目
With all his homework ____,he went swimming with his friends.
#91502
A
has been finished
B
finished
C
finishing
D
to be finished
They put forward a lot of plans at the meeting, none of ______ carried out in their work.
#91112
A
which
B
them
C
what
D
that
He refused to sell the old house, for it had too many pleasant ________with his childhood.
#91529
A
associations
B
communications
C
contacts
D
combinations
With exports an important role in its economic growth now, this province has been affected by the global economic downturn.
#91127
A
played
B
to play
C
playing
D
play
Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.
#91195
A
having
B
had
C
have
D
to have
