Please go shopping with me _____ you have time.[ ]
A. and
B. but
C. or
D. if
答案:D
一个三角形,它的三个角若相等,则它的三边也相等。[ ]
25.Putting the worries out of her mind,Mary turned her efforts__________the evening meal.
A.toward
B.beyond
C.off
D.Inside