While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth.A now and then B.over and over C.up and down D.here and there
Busy as the working mother is, she still_____ a lot of time to her children.
As far as I know, the new highway is about______ the former one.
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
The professor wants the students to pay more attention to the festivals ______ in other parts of the world.
The news has spread all over the country ________ an earthquake happened last night.