Answer of the 4th question please..
Dear Student,
4.
Situation: His room is in a mess.
a) He must have been busy.
b) He must have been careless.
c) There should be some logical reason for it.
Situation: She cannot find her laptop.
a) Someone could have stolen it.
b) She could have left it behind at work.
c) she must have lent it to a friend and forgotten as usual.
Situation: She is shouting at the top of her voice.
a) She must be angry.
b) She must be scared.
c) She could be urgently in need of help.
Situation: He wants to go home early today.
a) He may be unwell.
b) He must have informed the boss.
c) He must have some urgent work.
Regards
4.
Situation: His room is in a mess.
a) He must have been busy.
b) He must have been careless.
c) There should be some logical reason for it.
Situation: She cannot find her laptop.
a) Someone could have stolen it.
b) She could have left it behind at work.
c) she must have lent it to a friend and forgotten as usual.
Situation: She is shouting at the top of her voice.
a) She must be angry.
b) She must be scared.
c) She could be urgently in need of help.
Situation: He wants to go home early today.
a) He may be unwell.
b) He must have informed the boss.
c) He must have some urgent work.
Regards