— Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the classroom just now.
Give ________information about the photo. A.a B.an C.some
We are offering prizes ________ best pictures. A.to B.for C.with
If you are ________ the right place ________ the right time,take a picture. A.in;at B.at;in C.at;at
Please connect the digital camera ________ the computer. A.to B.into C.with
There is someone at home because the lights are ________. A.out B.on C.not