You can’t imagine what difficulty we had________home in the snowstorm.
A．walked B．walk
C．to walk D．walking
(2014·东北三校模拟)________about the student，the teacher called his parents to find out why he was so often absent from class.
A．Concerning B．Concern
C．Concerned D．To concern
(2013·四川省泸州市4月模拟)This is neither the time nor the place to play.Let’s________and attend to the business in hand.
A．come up B．turn off
C．settle down D．cut in
(2014·日照模拟)For years the government of that country________their responsibility when it comes to the mentally ill.
A．ignored B．is ignoring
C．has ignored D．ignores
(2013·四川宜宾五校第二次调查考试)Teachers’ Day is a time to be________to all teachers who deserve special recognition.
A．available B．grateful
C．generous D．ridiculous
(2013·潍坊高考模拟)Air pollution is getting more and more serious，so we must take action________it is too late.
A．before B．after
C．until D．when
