---I’m terribly sorry to have put you to so much trouble. ---______. You didn’t mean to, did you?a. forget it b. no trouble c. all right d. you’re welcome
Much attention should ______ the environment and fighting against pollution.
When I handed the form to John, he said that Smith would be the best person ______.
A new campus of that university is reported ______ in Hi-tech Zone in Chengdu now.
. --- Sarah said she wrote you a letter. --- I wonder ______ she is writing to me about.
. The new law has come into _____; surely it will have _____on industry of the country.