Bài 1: Chia động từ thì hiện tại hoàn thành
1, I (not work)………………….. SINCE today.
2a, We (just buy)............................a new lamp.
3, We (not/ plan)......................our holiday yet.
4, Where (be/ you)………………….since last year ?
5, He (ever/ write)..............................five letters.
6, She (not/ see)...........................him for a long time.
7, (be/ you)...................................at school yet ?
8, School (not/ start).......... …………………....before
9, (he/never/ speak/).............................to his boss ? No, he (have/ not).......................the time yet.