A型题：1. Identify the errors in the following sentence:If that is case, you will have to work harder. A.isB.caseC.have toD.harder 2. Identify the errors in the following sentence:Even if we had known the subject enough well, he insisted on explaining to us again. A.Even ifB.enough wellC.insistedD.on 3. The British troops _ 500 miles a day by car. A.tookB.coveredC.cameD.passed 4. She missed the plane, _ driving very fast to the airport. A.according toB.because ofC.de
