It__________ cold and cloudy yesterday.
A．is B．was
C．did D．does
B
【详解】
句意：昨天很冷，而且多云。
考查一般过去时。is是，第三人称单数形式；was过去式；did助动词，过去式；does助动词的第三人称单数形式。根据时间状语yesterday可知，此句是描绘昨天的事，时态为一般过去时。此句结构是“主语+系动词+表语”，因此此空为be动词的过去式形式。故选B。
请根据句意从方框中选择合适的动词,并用其适当时态填空,使句子通顺
| nod achieve cheer control prepare |
56．The 20-month old baby ________ with a smile when she saw her mother back from work.
57．Peter with his classmates always ________ for their school football team while watching football matches.
58．Step into 2020, near 2021, China ________ the goal of building a well-off society in an all-round way.
59．—You seemed busy when I walked past. Have you got a minute now, sir?
— Sure.I ________ a report It's finished. So, what's up?
60．The Chinese government ________ the virus through the efforts and now people can go to work,students can go to school as usual
