he is working ( )a model plane now. a.on b.at c.for d.in
he is working ( )a model plane now. a.on b.at c.for d.in
He is ___ holiday in Beijing.A.in B.on C.for D.at
I am working hard ( )French.A.at B.for C.in D.on
he is going to canada( ).A,by a plane B,on plane C,in plane
He is()holiday()Beijing.a:on ,at.b:in,in.c:on,on.d:on,in
Lily is working ___ the maths problem.A.at B.in C.on D.of
The students are working ____ a model plane.A.to B.in C.with
He will be back __ a few weeks.A.in B.on C.for D.at
he is now working at a bank.
He is riding____ low speed on the road A.at B.in C.on D.to
The woman is on a visit _____ Dalian.A.in B.at C.for D.to
He will come_____the morning of July 1 A at B in C on D for