The stronger the ______ is, the more quickly a person will learn a foreign language. That is to say, it is up to whether he has an interest in the foreign language.
I’ll start early , _______ it is dark or light . A. howeverC. whether C. if D. though
He is so strongly built that he looks _______ he could lift an elephant.
I’ll let you know ____ he comes back.
She will sing a song ____ she is asked.
We will work ____ we are needed.