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