He must be in the building because he was seen _________the building just now.
A: enter
B: to enter
C: entering
D: having entered
A: enter
B: to enter
C: entering
D: having entered
举一反三
- He must be in the building because he was seen______the building just now. A: entering B: enter C: C. to enter D: having entered
- He must be in the building because he was seen _____ the building just now.
- He was seen ______ the classroom this morning. A: to enter B: entering C: have entered D: enter
- He was seen ______ the classroom this morning. A: A) to enter B: B) entering C: C) have entered D: D) enter
- No permission ____________for anybody to enter the building till now.