I used to in the river. But now I am used to in the swimming pool.
| A．swim; swimming | B．swim; swim |
| C．swimming; swimming | D．swimming; swim |
— If we want to be a _____ visitor in a foreign country, it is important to know how to ask for help ________.
| A．politely, polite | B．polite, politely |
| C．politely, politely | D．polite, polite |
— Your bedroom is so tidy!
— Thanks. I like living somewhere clean. My bedroom ______ by me every day.
| A．cleans | B．was cleaned |
| C．is cleaned | D．is cleaning |
— The Halloween is very ______. We are all ______ in it.
| A．interesting, interesting | B．interested, interested |
| C．interesting, interested | D．interested, interesting |
— Could you please tell me ______ just now?
— Sorry, I was busy with my work.
| A．what the teacher says | B．what does the teacher say |
| C．what the teacher said | D．what did the teacher say |
— My brother went back home late yesterday. My mother ______ him a lot.
| A．looked up | B．was afraid of |
| C．dealt with | D．worried about |