3． When I came into the room，he pretended ________ his homework．

A． to do

B． be doing

C． doing

D． to be doing

[单选题]3． The boy stopped ________ when he saw a dog．A． runB． runingC． runningD． to run

[单选题]He asked me what ____________ when he came the next day.A.I would doB.I wou

[单选题]His clothes were scatted about the room _____ when his mother came in.A.mas

[单选题]He ______ a lot of stories to tell about China when he first came back home

[单选题]My father was ___ a book when I came into his study.A.seeingB.lookingC.read

[单选题]Three men came to London for a holiday. They came to a large hotel and took

[单选题]Three men came to London for a holiday. They came to a large hotel and took

[单选题]Three men came to London for a holiday. They came to a large hotel and took

[单选题]Three men came to London for a holiday. They came to a large hotel and took

[单选题]Three men came to London for a holiday. They came to a large hotel and took