Grammar  Complete the sentences with the correct verb form

Grammar 
Complete the sentences with the correct verb form. 
(15) Don't worry. I believe/ I'm believing what you say. (16)Ithink/ I'm thinking about what you told me. (17).1 can't see/ I'm not seeing your point of view. (18) I look/ I'm looking for a new boyfriend. (19)1 really don't see/ I'm really not seeingwhy you lied to her. (20) I think/ I'm thinking you should apologise to her. (21) I see/ I'm seeing Jakelater. Do you want me to tell him anything? (22)Iftel /I'm feeling proud o f my nationality. 
E Are these subject questions (S) or object questions (0)? For 23-28, circle the correct answer. 
(23) Who is the test for? S 0 (24) Why do we need it? S 0 (25) Where does Amin a Patel come from? S 0 (26) Who comes from London? S 0 (27) How many people live in London? S 0 (28) Which countries already have a test? S 0