Thes chemical ,_______to kill biological organisms ,are unsafe and oten not specific in their targets .
With ____ she needed ____, she left the supermarket happily.A all; bought B. something; to be boughtC. all; buying D. everything; to buy
Although there were so many people in the square, I could _____ my friend.a. pick up B. pick out C. make up D. pick away
---What do you thin of the book?---Oh, excellent. It’s worth _______ a second time.
What they need most _____ money while what we need most _____ textbooks.
Neither Tom nor Jack and I ______his students, but each of us _____ gone to the hospital to see him.