he is the second () out the problem.A.working B.to work C.wo
he is the second () out the problem.A.working B.to work C.wo
it is easy for you____.a.to work out the problem b.working o
He is busy to work out the difficult problem. 改错
the maths problem is too difficult for me to work out还是to wo
This problem is really hard_______ .A.to work out B.to be wo
He had no difficulty__the problem.a:working out b:to work ou
He can work out the problem a(
I think .difficult to work out the problem.A,it B.this C.tha
l'll do ----best to work out the problem.A me B mine C my Dm
who can work out the problem ____ five minutes? A.on B.to C.
The problem is ____ easy for me ___ work out.A.too,to B.engo
It is really clever _____him to work out the problem.A.for.B