Sentence Improvement - General Questions

Choose the correct replacement for the part in bold. If no change is needed, choose "No correction required". He has went to the market.

Choose the correct replacement for the part in bold. If no change is needed, choose "No correction required". He walked as fast as he can.

Choose the correct replacement for the part in bold. If no change is needed, choose "No correction required". He is too weak to walk.

Choose the correct replacement for the part in bold. If no change is needed, choose "No correction required". The doctor advised him to take rest.

Choose the correct replacement for the part in bold. If no change is needed, choose "No correction required". We have to reached the station by six.