It was in 1990 ______ the medicine was tested on human patients.
A．since B．that C．before D．when
I didn’t pass the oral test, so I am not _____ the mood to tell jokes.
A．in B．over C．at D．on
— Jane and Joan have been friends for fifty years.
— No wonder they have such a lot in ______.
A．ordinary B．average C．common D．normal
He left school early, and as an adolescent, determined ______ in South American, set off from his home.
A．having a fortune B．making his fortune
C．to spend a fortune D．to make his fortune
The train arrives in Liverpool at 10 p.m. tonight . The plane I would like to take from there _______by then.
A．will leave B．would have left C．will have left D．has left
It was quite dark, but I could see a man _____ on the floor ______up.
A．lies ; tied B．lying ; tied C．lying ; ties D．lie ; tied
