问题

you know your potential, you have to rely on many other people to get to where you are
A:Since
B:If
C:While
D:Once
B:If
C:While
D:Once
正确答案是:
同类题型
I refuse to accept the blame for something________was someone else’sfault
______abroad for a tour can be a worthwhileexperience to a senior high student.
Which would you like, tea or coffee— Either______ OK, but I prefer coffee ______milk.
Some young people these days just ________ go out oftheir homes to contact the real world.