----Jack, is maths difficult to learn in High school? ----Sure. No subject can be learned well __________hard work.
#48987
A
without
B
through
C
by
D
with
推荐题目
—____do you improve your English?  —I improve it___listening to tapes.
#46391
A
How, with
B
What, with
C
How, by
D
What, by
He stood _____ and waited for the bus.
#46558
A
in the way
B
by the way
C
on the playground
D
at the bus stop
We are ________ a school trip.
#49706
A
in
B
on
C
at
D
for