I remembered _____ the door before I left the office, but forgot to turn off the lights.
| A．locking | B．to lock | C．having locked | D．to have locked |
All of us were ________ at the __________ news.
| A．frustrating, frustrating | B．frustrating, frustrated |
| C．frustrated, frustrating | D．frustrated, frustrated |
He is afraid of ___________ strangers.
| A．see | B．seeing | C．saw | D．seen |
--- He went to see the man who was in hospital yesterday.
--- ____________.
| A．So did he | B．So he did | C．He did so | D．Did so he |
No matter what you do, you can’t change the situation.
| A．Whoever | B．Wherever | C．Whatever | D．What ever |
He is afraid to speak in _______ public.
A. theB a C. an D. /