The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.
--I’m exhausted. I ______ on a design day and night. --You’d better have several days off after finishing it. Otherwise you might break down.
-But for your timely warning, we ______ into great trouble. --You know we’re friends.
--Alice won’t join in our discussion tonight. --Oh, she ______. We have already put it off.
I will appreciate it ______ you can change your plan a little bit to make it more workable.
Unless you have planted something, you won’t be able to know the pleasure of watching the thing you have planted ______.