21)
(A) I have not been feeling well for many days.
(B) I have not feeling well for many days.
(C) I has not been feel well for many days.
(D) I has not feeling well for many days.
22)
(A) Boys had not doing anything since December.
(B) Boys have not been doing anything since December.
(C) Boys has not been doing anything since December.
(D) Boys have not doing anything since December.
23)
(A) Has you not keeping good health for a long time.
(B) Has you not been keeping good health for a long time.
(C) Had you not been keeping good health for a long time.
(D) Have you not keeping good health for a long time.
24)
(A) He had not opening his shop for many days?
(B) He has not opening his shop for many days?
(C) He had not been opening his shop for many days.
(D) He have not been opening his shop for many days?
25)
(A) Kevin did not go to bed till eleven.
(B) Kevin do not go to bed till eleven.
(C) Kevin did not went to bed till eleven.
(D) Kevin does not went to bed till eleven.
26)
(A) We did not like his manners.
(B) We did not liked his manners.
(C) We did not likes his manners.
(D) We do not likes his manners.
27)
(A) He have saved their lives before the scouts reached.
(B) He had saved their lives before the scouts reached.
(C) He has saved their lives before the scouts reached.
(D) He had saved their lives before the scouts reach.
28)
(A) Alex had won the battle before rain came.
(B) Alex had won the battle before rain come.
(C) Alex has won the battle before rain came.
(D) Alex have won the battle before rain came.
29)
(A) He has been living in this house for six years.
(B) He has been living in this house since six years.
(C) He has living in this house for six years.
(D) He have been living in this house for six years.
30)
(A) If you listen to the question carefully, you will answer them easily.
(B) If you listen to the question carefully, you would answer them easily.
(C) If you listened to the question carefully, you will answer them easily.
(D) If you listens to the question carefully, you will answer them easily.