Bài đọc

Choose the best answer:

• A. on

• B. in

• C.for

• D. to

Choose the best answer:

• thin

• pleasant

• thick

• light

choose the best answer:

• Unless

• Until

• When

• Before

choose the best answer:

• freely

• simply

• carefully

• safely

choose the best answer:

• get out

• pick up

• take up

• turn down