第Ⅰ卷(客观题 共50分)
一、单项填空 在A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。(本大题共14小题,每小题1分,共14分)
1. --_______ will the project of Wuxi Metro Line 3 be completed?
--It won’t take long. Just in about 3 months.
A. How long B. How far C. How soon D. How often
2. They _______ stand at the gate and welcome the guests because the robots can do that.
A. mustn’t B. needn’t C. shouldn’t D. can’t