-Jenny took the 8:00 bus to Guangzhou this morning.-Really? He__the 9:00 train. It's much more comfortable and safer to travel by train.
Don’t leave the water ________ while you brush your teeth.
Our teacher looked here and there on our playground ________ looking for something.
________to the man’s timely coming,the________boy was saved.
—Mr Black,what about my application? —Oh,I regret________you that it hasn’t been successful.
The experts advise _______ our army _______ modern weapons.