1) Listen! Somebody ___ a lovely song. a. are singing b. sing c. sings d. is singing 2) We ___ Tom for ages. a.has not seen b.haven't saw c.are not seeing d. haven't seen 3) Don't call me at 6 o'clock this evening. I ___ my hom...

1) Listen! Somebody ___ a lovely song. a. are singing b. sing c. sings d. is singing 2) We ___ Tom for ages. a.has not seen b.haven't saw c.are not seeing d. haven't seen 3) Don't call me at 6 o'clock this evening. I ___ my homework. a. will have done b. do c. will do d. will be doing 4) They are ___ waiting for a bus. The bus hasn't arrived yet. a. since b. yet c. still d.already 5)Tour operators sell___. a.packaged tours b. packagings c.packing tours 6) Before he went to London he had read tons of ___ books to visit as many sights as possible. a.adventure b. complaint c. children's