1. Please choose the most appropriate one from the 4 choices marked A) B) C) and D).1. Listen! Mary _________ ( sing) now.
A: is singing
B: sings
C: sang
D: sing
A: is singing
B: sings
C: sang
D: sing
举一反三
- Listen! Some girls in<br/>the classroom. A: are singing B: sing C: is singing D: sings
- Listen. Some girls ______(sing) in the classroom. A: is singing B: are singing C: sang D: do sing
- It<br/>is a good time _______. A: sing B: to sing C: singing D: sang
- Listen! She____in the classroom. A: is singing B: sing C: to sing D: is sing
- We often heard him _________ in his room. A: to sing B: sings C: sang D: sing