When the bus w̲a̲s̲ a̲r̲r̲i̲v̲i̲n̲g̲, we m̲i̲s̲s̲e̲d̲ it because we w̲e̲r̲e̲ t̲a̲l̲k̲i̲n̲g̲. *

A. was arriving

B. missed

C. were talking

tìm lỗi sai

 It was obvious that Bill h̲a̲s̲ w̲o̲r̲k̲e̲d̲ because he w̲a̲s̲ very t̲i̲r̲e̲d̲ when I s̲a̲w̲ him. *

A. has worked

B. was

C. tired

D. saw

tìm lỗi sai

 I h̲a̲d̲ m̲i̲s̲s̲e̲d̲ the start of the film because I b͟u͟y͟ popcorn. *

A. had missed

B. buy

tìm lỗi sai

 We h̲a̲d̲ b̲e̲e̲n̲ t̲i̲d̲y̲i̲n̲g̲ the garden for hours and I w̲a̲s̲ n̲e̲e̲d̲i̲n̲g̲ a rest.

A. had been tidying

B. was needing

 I h̲a̲d̲ paint on my shoes because I̲'d̲ p̲a̲i̲n̲t̲e̲d̲ my bedroom all morning. *

A. had

B. I'd painted

 I .......... to my new CD for a few minutes when the CD player started making a funny noise. *

A. had listened

B. had been listening

Holly .............. oysters before, so she wasn't sure what to do with them. *

A. hadn't eaten

B. hadn't been eating