chia động từ 10. they (paint ) their house white 11. she ( arrive ) late to the meeting 12. we ( watch ) TV until eleven o' clock last night 14 she ( study ) in our class last semester 15. I (mail ) your letter on my way to work 23. this book( cost ) $ 15 24 I ( eat ) my lunch in the canteen yesterday 25 bob ( drink ) a little wine at the party last night 26 I ( give ) your meessage and also ( tell ) him my ideas on the subject 27 I ( hear ) the ..... mệt ko viết đc nữa 28MS. SATO finally ( sell) her house 29 Sue ( bring ) h her cousin to the party last night 30 he ( become ) teacher five years ago