BOTH OF US ... FREE NOW. LET'S ... AND ...A. ARE / DANCE / SINGB....

22. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

22. Both of us ... free now. Let's ... and ...

a. are / dance / sing

b. is / dance / sing

c. are / to dance / to sing

d. is / to dance / to sing

 a