Since he is ill, he is confined ____________ bed.

• in
• on
• to
• of
Correct Option: C  [ to ]

Remark:

My friend conceals nothing from me.

• keeps back
• do way with
• give in
• welcome
Correct Option: A  [ keeps back ]

Remark: "keep back": refuse, hide, retain.

I am envious ______ them.

• of
• about
• in
• on
Correct Option: A  [ of ]

Remark:

I am afflicted __________ rheumatism.

• at
• from
• with
• in
Correct Option: C  [ with ]

Remark:

He died _______ dengue.

• with
• from
• of
• by
Correct Option: C  [ of ]

Remark: "die of" a disease.
"die from" something other than a disease.

At last _______ justice has been done to the accused.

• the
• an
• a
• no article is needed
Correct Option: D  [ no article is needed ]

Remark:

She shuddered ________________ dreadful sight.

• at
• on
• over
• upon
Correct Option: A  [ at ]

Remark: