问题
_______________ do we need
A:at a time
B:all the time
C:from time to time
D:on time;
B:all the time
C:from time to time
D:on time;
正确答案是：
同类题型
We have sixty students in our class. of them are boys. How many girls are there, do you know— Forty.
He always brings me a pretty gift __________ he comes to visit me.
For ______ breakfast, I like hamburgers, eggs and ______ apple.
He_____ go out with his parents, but now he_____ staying at home alone.