Xiao Ming speaks English very well as if he ____ an Englishman.

I’d like Johnson to take the job.-He is____ . Better not add to his workload.

I can’t see anything in the room. Please help me the lights.

Why not _____ your friend for help when you can’t finish ______ it by yourself

The young scientist has made such greatachievements in his chosen field ______ nobody else can make.