Listen! She____in the classroom. A: is singing B: sing C: to sing D: is sing

He ________ in the next room. A: is often heard to sing B: often heard to sing C: is often heard sing D: is often hearing to sing

Listen!Joan__________(sing)intheclassroom.Sheoften__________(sing)there.

[音频]To be number one , you must sing like ________. A: the real singer B: the other singers C: no other singer D: the judge

n.[sing.](technical)theoriginalamountofmoneythatislenttosb.,notincludinganyoftheinterest本金a.(onlybeforenoun)mostimportant最重要的;首要的;主要的

listen! Some girls in the classroom. A: are singing B: sing C: is sing

Listen, who_________(sing) in the music room? Oh, Mary_______(sing) there.

Cold doth not sting, 3)___________________: Cuckoo, jug-jug, pu-we, to-witta-woo! A: the pretty birds do sing B: the pretty bird does sing C: the pretty birds sing D: the happy birds do sing

It<br/>is a good time _______. A: sing B: to sing C: singing D: sang

Most of the young people enjoy ______ the popular songs. A: sing B: to sing C: singing