In many countries, some scientists are already _______ research in order to produce a cloned human baby.
Go and study in your room, ____ it to me to do the dishwashing. A Get B Remain C Leave D Send
Steve is very strong and healthy. Strangely enough, he ____ have been infected by HINI virus. A would B must C should D might
. I can’t receive your phone call at 8 o’clock tomorrow, because I ____ the meeting. A am attending B will attend C will be attending D am to attend
Tom first met Lucy three years ago. She ____ as a teacher in a high school. A has worked B was working C is working D had worked
The young lady stopped and looked around as if_____ whether she was being followed. A seeing B to have seen C having seen D to see