1 1. ( I've / lost / the / book / that / I / bought / yesterday ).
2. ( We're / going / to / take / the / bus / that / goes / to / the / airport ).
3. ( That / is / the / man / who / I / talked / to / yesterday ).
4. ( I'll / bring / what / I / bought / yesterday ).
2 (1) (A)
(C)
(D)
(F)
(G)
(2) (C)A(D)
(3) (C)
(4) 1. (C)
2. (B)
3. (A)
4. (C)
5. (A)
3 1 (D)
2 (A)
3 (B)
4 (C)