when,usually,do,it,is,what,you,do,raining
are,the,listening,to,the,teacher,students,now
good,is,a,everyone,time,having,look
They are thingking ___ a meeting.
[A about to have] [B of to have] [C of having] [D over having]
Thank you for____me a letter
[A write] [B to write] [C is writing] [D writing]