I.

$\text{1.}$ C

$\text{→}$ take part in: tham gia

$\text{2.}$ C

$\text{→}$ HTHT + since + QKD

$\text{→}$ in + năm chia QKD

$\text{3.}$ D

$\text{→}$ temperature: nhiệt độ

$\text{4.}$ B

$\text{→}$ put on weight: tăng cân = gain weight

$\text{5.}$ A

$\text{→}$ provide sth for sb: cung cấp cái gì cho ai

$\text{→}$ donate sth to sb: tặng cái gì cho ai

$\text{6.}$ D

$\text{→}$ fasten: buộc ⇒ quần chật

$\text{→}$ go on a diet: ăn kiêng

$\text{7.}$ B

$\text{→}$ pottery making: làm đồ gốm

$\text{8.}$ A

$\text{→}$ so chỉ kết quả

$\text{9.}$ C

$\text{→}$ not afford to-V: ko đủ tiền để làm gì ⇒ quá đắt

$\text{10.}$ D

$\text{→}$ How often hỏi về sự thường xuyên

II.

$\text{11.}$ have already read

$\text{→}$ already chia HTHT

$\text{12.}$ didn't do

$\text{→}$ 5 years ago chia QKD

$\text{13.}$ did

$\text{→}$ kể lại QK chia QKD

$\text{14.}$ will eat

$\text{→}$ in the future chia TLD

$\text{15.}$ need

$\text{16.}$ Has Alex ever been - has been

$\text{→}$ ever chia HTHT

$\text{→}$ once chia HTHT

$\text{17.}$ is having

$\text{→}$ right now chia HTTD