The field research will take Joan and Paul about five months; it will be a long time ____ we meet them again.
The little boy is dirty from head to foot because he ________ in the mud all morning.
.The new dictionaries are very useful. They ________ well and ________ already .
— We want someone to design the new art museum for us. — ________ the young fellow have a try?
This is an illness that can result in total blindness ________ left untreated.
— I put him down for a well - educated man. — ________? — I mean that he's a well - educated man.