$\text{1.}$ cereal

$\text{→}$ dòng 1, đoạn 2: Then I dropped my cereal all over my new skirt.

$\text{2.}$ many

$\text{→}$ so many/ much

$\text{→}$ dòng 3, đoạn 2: I saw a lot of people waiting for the bus.

$\text{3.}$ were late

$\text{→}$ Câu tường thuật

$\text{→}$ Dòng 4 đoạn 2: There's a lot of traffic in the city centre and all the buses are late.

$\text{4.}$ very happy

$\text{→}$ Dòng 2, đoạn 3: I could see the school at the end of the road. I felt very happy.

$\text{5.}$ had started to

$\text{→}$ Before + QKD, QKHT

$\text{→}$ Dòng 2 đoạn 3: Suddenly it started to rain.

$\text{6.}$ surprised

$\text{→}$ Dòng 4 đoạn 3: At first, my new students looked surprised when they saw me.

$\text{7.}$ smiled

$\text{→}$ Dòng 5 đoạn 3: Then they all smiled and said "Good morning, Miss Stewart"