Anyone, once _______ positive for H7N9 f
题型:选择题
问题:
Anyone, once _______ positive for H7N9 flu virus, will receive free medical treatment from our government.
A.to be tested
B.being tested
C.tested
D.to test
Anyone, once _______ positive for H7N9 flu virus, will receive free medical treatment from our government.
A.to be tested
B.being tested
C.tested
D.to test