You’d better ______ at home and ______ your homework.
A. to stay, do
B. stay, do
C. to stay, to do
D. stay, to do
查看答案
I can't catch up with the fashion,because the clothes style_______ allthe time.
A. has changed
B. is changed
C. is changing
D. changed
John is always ready ______ others.
A. help
B. helping
C. helps
D. to help
卧式辊压机的特点是面带在辊压过程中呈水平直线运动状态。()
A. 对
B. 错