The field research will take Joan and Paul about five months; it will be a long time ________ we meet them again.
.How long do you think______ the construction company finishes the project?
The Beatles singing Yesterday______ memories whenever we hear it.
Tom is the only one of the students who______ a winner of scholarship for four years.
I would rather______ the professor and I would rather you______ for him at once.
.Was it______ it snowed last night that you didn’t come?