certificate a

I. GRAMMAR (300 SENTENCES) 1. Is Susan ........... home? a. in b. at c. on d. under --> b 2. "Do the children go to school every day?" "....................." a. Yes, they go. b. Yes, they do. c. They go. d. No, they don't go. --> b 3. What ............ now? a. is the time b. does the time c. is...