______ young trees have been planted here, now it is a really beautiful place.
I can________ be a nurse.I’m not a very patient person at all.
Everyone knows that _____ sun is in the center of the solar system(太阳系)
”It’s five forty-five”means(意思是)”It’s ___________.”
My teacher asks us _______school on time.
-Would you like _______bread? -No,thanks.I’d like ______cakes.