语法英语选择题1.It-----sunday,there was no school.A.being B.is C.wa

语法英语选择题1.It_____sunday,there was no school.A.being B.is C.was D.were2.I wanted some thread but there was_____in the drawerA.none B.nothing C.no one D.no thing3.The scientists and technicians overcame a lot of difficuty_____the personal computer.A.they had developing B.having developing C.they had developed D.which had to develop4.Information _____with the electronic address of its destination computer.A.is delivered to be labeled B.to be delivered is labeledC.deliveredto be labeled D.delivering is labeled(需要解释说明)