`9.` “_________________________ don’t you go to the park with us this Sunday?”   – “ Good idea!”
a. What     b. Why    c. Who    d. Which
`=>` Why don't+S+V(inf)+O?
`10.` Which word is different from the others
a. cycling    b. football   c. volleyball   d. tennis
`=>` là Verb, còn lại là Noun
`11.` I think Da Nang is ____________________________________________ than Hanoi.
a. cleaner    b. cleanest   c. more clean   d. most clean
`=>` S1+tobe+adj-er+than+S2: so sánh hơn
`12.` My mother was busy ______________________________________________ this afternoon.
a. cook     b. cooking   c. to cook   d. cooked
`=>` Có "was" dùng past simple

`\text{Học tốt}`

$#vpgh1810$

`\text{#Tắt chế độ xa lánh bật chế độ xanh lá}`