题目

Only after we have learned the manners well in English ___know how to __ourselves at table in a foreign country.  a. we can; dress b. we might; tell c. must we ; show d. can we ; behave   答案：dOur government________the measures put forward by some experts at the meeting and decided to carry them out at once to prevent further air pollution in this area.A.agreedB.approvedC.absorbedD.allowed