The expert suggests _________ more vegetables and fruits every day.
A. to eat B. eat C. eating D. eats
Please come to my house whenever you are______.
A. uncrowded B. fascinating
C. convenient D. inexpensive
－Could you tell me________ yesterday?
－I went bike riding with my classmates.
A. Why you like your new classmates
B. What did you do
C. How you speak English well
D. What you did
The police warned the thief _______again.
A. not to steal B. to not steal
C. not steal D. not stealing
I wonder_____ they will pass the exams or not.
A. if B. whether C. that D. what
The light______ by Edison is helpful for people.
A. invent B. invents
C. invented D. inventing
