A.clean | B.cleaner | C.cleanest | D.the cleanest |
A.a | B.an, an | C.a, an | D.an, a |
A.How many | B.How often | C.How much | D.How |
A.enough | B.much | C.many | D.a lot |
A.bigger | B.big | C.more bigger | D.more big |
A.either | B.also | C.too | D.more |
A.beautiful | B.beautifuler | C.more beautiful | D.much beautiful |
A.hear; alarm | B.heard; alarm | C.heard; alarms |
A.out; 911 | B.out; 112 | C.out of;119 |
A.took; walk down | B.take; walk down | C.walk down; take |