()Be quiet!The teachers_________an important meeting.
A.will have
B.are going to have C.are havingD.have had
原因是什么？？
()Look,there is a little wind today.Let's_______our model plans together.
A.be fly B.fly C.are flyingD.will fly
原因？
()The police_______the thief after three days.
A.find B.find outC.found D.found out
原因？这里的after three days 是什么意思？？
after three days 是什么时态？要选哪个选项？
