I don't think easy to study English well

I don't think 【加上it】easy to study English well
I asked her【加上 to】 show me her new photos
The boss made the workers 【去掉这个 to 】work day and night
Her grandma had no place to live 【加上 in】before liberation
Here is a good novel for you【加上 to】 read
He is running too fast for me to catch up 【加上 with】
Lily asked me 【don't改成 not to】 give my bicycle to Mike
I still don't know whether I【去掉这个 to】 go or not
You must be very tired.Why not 【去掉这个 to 】stop to take a rest?

I asked her to show me her new photos
The boss made the workers worked day and night
Her grandma did have no place to live before liberation
Here is a good novel for you to read
He is ...

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