( )9. He asked _______ outside .
A: A. who are singing
B: B. who was singing
C: C. who singing was
D: D. who is singing
A: A. who are singing
B: B. who was singing
C: C. who singing was
D: D. who is singing
举一反三
- —Is the man who is singing your teacher? —Yes,he teaches ______ Physics.
- Who is singing? Oh, ____________ Xiao Liu. A: it's B: he's C: this is D: she's
- A person who banters is () A: singing B: insulting C: joking D: deceiving
- ______ are the birds doing?—They are singing in the tree. A: Who B: What C: How D: Where
- Lisa is one of the girls who ________ best in the company. A: sing B: sings C: sung D: is singing