Let's _______(sing) an english song

Let's _______(sing) an english song let`s 什么(sing) an english song let's sing an Englishi song 将 an ,song,sing,let,english,us.连词成句 填介词Let's start our class( ) an English song. Let's start our class( ) an English song. She was heard __A______ an English song.A.to sing B.sing C.s 1,（ ）sing an English song now.A.Shall weB.Let isC.Can we 2, Let her (sing)an English song for you some foreigh friend wa 英语问题]【She was heard _______(sing) an English song in her hom I ____ ____(sing) an English song 情态动词 he sing an english song