SO FAR THERE IS NO VACCINE ... IN SIGHT FOR THE COMMON COLD.A. OR...

100. - 2000 TEST EXAM WITH A AND B DOCX

2000 TEST EXAM WITH A AND B DOCX

Nội dung
Đáp án tham khảo

100. So far there is no vaccine ... in sight for the common cold.

a. or curing

b. has cured

c. or cure

d. having cured

--> c