—Yousee, I'm poor in maths; you are not good atEnglish, and. . . — That's __________ we should help each other.
——Ms Lin looks rather a kind lady. ——But in fact she is cold and hard on us. You ____ believe it!
Will you see to ____ that my birds are looked after well while I’m away?
The number 9.11 is a special number, ____, I think, that will be remembered by the Americans forever.
——You didn’t invite Mary to the ball? ——____ her, too?
The car ____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.