----- Nội dung dịch tự động từ ảnh -----
21. The table.
22.
a. is covering
a. Have
23. This is the boy.
a. whose
..........with a cloth.
b. covered
you ever been to England?
b. Are
c. Do
father teaches me mathematics.
c. who
to love their fatherland.
b. taught
d. has been taught
b. which
24. Young Pioneers
a. have taught
c. have been taught
u. Bau veen
c. is covered
d. has covered
d. Had
d. his
21