Ms Johnson wants us__________Exercise(练习) 1, but you let us_________Exercise 4.
A.to do; to do B.to do; do C.do; do D.do; to do
Ms Johnson wants us__________Exercise(练习) 1, but you let us_________Exercise 4.
A.to do; to do B.to do; do C.do; do D.do; to do
B