【题目】We should save paper. Please remember to print on________sides of the paper.
A.eachB.eitherC.bothD.neither
【题目】Be careful when you cross the road. It’s known to us that ________comes first.
A.actionB.attentionC.safetyD.growth
【题目】She usually________to school because her home is next to the school.
A.walksB.walkedC.has walkedD.is walking
【题目】John promises to help his mum with housework________he is free today.
A.unlessB.thoughC.ifD.until
【题目】I enjoy leaning English so much and I_______ speak it very well.
A.needB.mayC.mustD.can
【题目】—Did you find the small house yesterday?
—Yes, without any difficulty, for it has________changed over years.
A.greatlyB.hardlyC.clearlyD.nearly
【题目】The water in the river_________ clean and clear. It's safe to drink it.
A.becameB.has becomeC.will becomeD.was becoming
【题目】You have to be________until I complete my work.
A.patientB.strictC.honestD.active
【题目】We offered Jack a helping hand. However, he________it. He thought he could manage it alone.
A.receivedB.returnedC.refusedD.recognized
【题目】Nobody________TV. Let’s turn it off.
A.watchesB.watchedC.is watchingD.was watching