He’s___________ than any other __________ in his class.

_________ I felt somewhat disappointed and was about to leave，something occurred which attracted my attention.

Who’s that boy reading in the garden Is it David— It ____________ be David. I saw him in the classroom just now．

The final exam is coming. _______ I worried about it, _______ I could sleep.-There is nothing to be regretful if you have tried your best.

Tom is keen _____ surfing the Internet in his spare time