I like these English songs and they ________ many times on the radio.

1. A.
   taught
2. B.
   have taught
3. C.
   are taught
4. D.
   have been taught

I like these English songs and they ________many times on the radio.

A. taught         B. have taught         C. are taught        D. have been taught

I like these English songs and they ________many times on the radio.

   A. taught         B. have taught         C. are taught        D. have been taught

I like these English songs and they ________many times on the radio.

A. taught         B. have taught         C. are taught        D. have been taught

I like these English songs and they ________many times on the radio.

   A. taught         B. have taught         C. are taught        D. have been taught