I’m not sure my pen pal can come here tomorrow.A.whether B.when C.what
---Please don’t make any noise in the reading room. ---_______________.
Not only Tom but also his parents __________a walk in the park.
---The box is too heavy to carry. What’s in it? ---Oh, I _________ it ________books.
When I wrote the letter, I kept __________ the words ___________.
--- When will you father _________ in Japan? --- Sorry, I don’t know.