We must ________ our task, however hard it is.
How would you like if you didn’t see me for two or three days?
Gillard’s ride to top of Australian politics was rough one.
Sometimes I’m dying ______ him about it.
Wherever such an area is located, it will be immediately ______ by the enemy if armed forces are lacking.
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