So sudden ________ that the enemy had no time to escape.
A.the attack did B.did the attack C.the attack was D.was the attack
Health problems can be _______ reduced by careful diet.
A.significantly B.suddenly C.skillfully D.sufficiently
The practice of hanging flags is a common _______ in many parts of the country on National Day.
A.sight B.scenery C.sign D.signal
This printer is of good quality. If it ________ break down within the first year, we _______ repair it at our expense.
A.shall; will B.must; should C.should; would D.can; shall
I predict that this brand of clothes should _______ well.
A.be sold B.sell C.have sold D.have been sold
_______ seems to be some disagreement between his words and actions.
A.There B.It C.That D.What