I believe _____ the Water Festival is really fun.A. that B. if C. whether
His pronunciation is better, for he kept ______ a short passage after the tape every morning.
Run for more than half an hour every day, ________ you can lose your weight easily.
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
Listen! Who _____ the piano in the next room?
The students were excited when they knew they ______ out for a spring out the next month.