Until then, his family （） from him for six months.

A.It is until

B.It was until

C.Not until

D.It was not until

It was()he arrived home()he realized that he had left his keys in the office.

A) until……that

B)not until……had

C) until……had

D)not until……that

The young man has to wait until he gets the ______ of the committee to his application. (approve)

A.because

B.until

C.so that

D.if

It was not _______ he took off his glass ____I realize who he was.

A、when;that

B、until;when

C、until;that

A.voice

B.spirit

C.profit

D.profile

A.Before

B.While

C.Until

D.As long as

Not until yesterday ______ his mind.

A) did he change B) he changed

C) had he changed D) he had changed

.

A) since B) when C) until D) before