--- How old can you guess your new English teacher is?--- It’s hard to say.But I guess him to be _________ between 35 and 40.
When Madam Cuirie did the science experiement again, she was more careful where she _____ a mistake.
Before she realized what happened, she got ___ on the head and lost consciousness.
------I’ve been told that John ________ from his journey to India. What about visiting him tonight? ------- Great. I’ll call for you at 6:30pm.
—Do you like the material? —Yes, it ___________ very soft.
—Where is Xiao Wang? —I don't know.He__________ be in the library.