Only _____ people can have a good understanding of the lecture given by the scientist.
| A．educated | B．devoted | C．concerned | D．relaxed |
Late in the afternoon, they arrived at ______ small village ______ north of the West Hill.
| A．the; the | B．a; / | C．a; the | D．the; / |
Mr. Smith, _____ of the ______ speech, started to read a novel.
| A．tired ; boring | B．tiring ; bored | C．tired ; bored | D．tiring ; boring |
---The light in the office is still on.
--- Oh, I forgot _______.
| A．turning it off | B．turn it off | C．to turn it off | D．having turning it off |
. Rather than _______ on a crowded bus, I always prefer _____ an electric bicycle.
| A．ride ; ride | B．riding ; ride | C．ride ; to ride | D．to ride ; riding |
Tony, my best friend, has done _______ he can to help me out of trouble.
| A．all that | B．all what | C．which | D．all which |