1.If it ______ tomorrow,we’ll go roller-skating.
A.isn’t rainB.won’t rain C.doesn’t rain D.doesn’t fine
2.______ not for the support of the teachers,the student could not overcome her difficulty.
A.It wereB.Were itC.It wasD.Was it
3.他把兒子鎖在屋里，以免他再次逃學(xué)。
A.He locked his son in,in case he play truant again.
B.He locked his son in,in case he played truant again.
C.He locked his son in,in case he might play truant again.
D.He locked his son in,in case he would play truant again.
4.________ mothers couldn’t go to the meeting,because they have gone to Shanghai.
A.Mary and Peter’s B.Mary and Peter
C.Mary’s and Peter D.Mary’s and Peter’s
5.Paper money was in ______ use in China when Marco Polo visited the country in ______ thirteenth century.
A.the,不填B.the,the C.不填,the D.不填,不填