Yesterday , Ba had to go to the doctor because he had an awful stomachache . The doctor asked Ba some questions. He told her that he had fish,rice,soup for dinner.He also ate some spinach, but his parents didn't. The doctor said that the spinach could make him sick . Vegetables often have dirt from the farm on them. The dirt can make people sick. She said tha he should wash vegetables carefull. And she gave Ba some medicine to make him feel better.
Questions:
1.Why did Ba have to go the doctor yesterday?
.......................
2.what did he have for dinner?
.......................
3. Did his parents eat spinach?
.......................
4.do vegetables often have dirt from the farm on them?
.......................

1. You should(visit)........your grandmother.
2.I(watch)..........a football match on TV last night.
3.They(play)........chess at the moment.
4.She always(go)..........to bed late.

How .... is Nga? She is 36 kilos
a.high b.weight c,heavy

Minh is absent today....he is sick
a.why b.when c.because

Cho tam giác ABC cân tại a , đường cao AH.Biết AB=10cm , BC=12cm.
a) Chứng minh tam giác ABH bằng tam giác ACH
b) Tính độ dài đoạn thẳng AH

12/4 rút gọn bằng

Cho tam giác ABC cân tại a , đường trung tuyến AM
Biết AB=10cm ; BC=12cm
a) Chứng minh tam giác ABM bằng tam giác ACM
b) Tính độ dài đoạn thẳng AM

Đơn thức nào sau đây đồng dạng với đơn thức 6xy³
a.5xy² b.xy² c.-5(xy)² d.-5xy