The woman keeps _______ the house because she wants to keep it _______.
A. cleaning; clean B. to clean; clean
C. clean; cleaning D. cleaning; cleaning
-What do sparrows look like? - _______.
A. They are really cute animals B. They like eating insects
C. They are fine D. They are small
-Why are you so excited? -Peter invited me _______ on a trip to Yunnan.
A. to go B. go C. going D. went
-What's that bird called in English? -Which one? There are two. Do you mean the one with _______ neck?
A. long B. longer C. a longer D. a longest
You must clean the room every day _______ keep it as good as new.
A. in order as B. so that C. so to D. in order to
I heard your daughter ____________ in the next room at ten last night.
A. sang B. sing C. singing D. sings
