He ... the message if he knew Spanish. (banjos: 0.5)
would understand
will understand
had understood
would have understood​

listen, ivan singing in the room.

he doesn't see that i look at it, as he reads something with a great interest.

call him now. i think that he doesn't sleep yet.

look at the person who sits at a window. he/she is our lawyer.

1. the best of all i like to read the detectives  and the fantastic.2.have you ever been in rome? -yes, i have. when have you been there? 3.i shant(shall not) be able to go to the theatre tommorow.-i shant be able either.4.it wasnt(was not) difficult to translate the article,was it? -yes,it was. 5. i live on the second floor of a five storeyed apartment house.6.do you know,how many universities in washington? 7.shakespeare was eight, when he got married. 8.it is very difficult for me to learn the poems by heart. 9.the most popular hobby is collecting stamps. 10.she said, that she lived on pushkin street.