She is serious with /about / of / for learning
I
1: she is serious with /about / of / for learning
2: I couldn't believe what he said.It was contrary to / with / for /in his thoungt
3: Our study is very important for /with / to / about / our future and useful for / to / with / in our country
4 : Don't give up your hope .Be confident of / about /in / with yourself
1: she is serious with /about / of / for learning
2: I couldn't believe what he said.It was contrary to / with / for /in his thoungt
3: Our study is very important for /with / to / about / our future and useful for / to / with / in our country
4 : Don't give up your hope .Be confident of / about /in / with yourself