This is a matter ____ some difficulty.A: inB: ofC: byD: for

Dont let such a______matter as this distract us so that we can concentrate on the major is

She is very strict ______ her children.A、inB、 ofC、withD、by

He sat there silent for some time, ______ thought.A) having lost inB) be lost inC) losi

【C12】A．inB．ofC．byD．for

This boy often dreams______a happier life on some other planet.A．withB．ofC．forD．in

It is still a question______who will be responsible for this matter.A．at handB．at lastC．at