1c

2b

3d

4d

5b

6b

7b

8d

9c

10c

11b

$\text{1.}$ B. cooking

$\text{→}$ make cakes ⇒ cooking: nấu ăn

$\text{2.}$ B. was

$\text{→}$ yesterday chia QKD

$\text{3.}$ D. took up

$\text{→}$ take up: bắt đầu 1 sở thích

$\text{→}$ vế sau chia QK ⇒ về đầu chia QK

$\text{4.}$ D. A or C

$\text{→}$ open-air market = flea market

$\text{5.}$ B. make a gift

$\text{6.}$ C. of

$\text{→}$ be fond of sth/ doing sth = like

$\text{7.}$ B. at

$\text{→}$ good at sth/ doing sth

$\text{8.}$ C. has

$\text{→}$ has flu: bị cảm cúm

$\text{9.}$ D. Watching

$\text{→}$ V đứng ở đầu câu thường chia V-ing

$\text{10.}$ C. a headache

$\text{11.}$ A. headache