“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
| A．must be | B．must have been | C．might be | D．can have been |
______ of danger in the street last night, she had to go home, with a friend following her.
| A．To be warned | B．Warned | C．Having warned | D．Warning |
I was close to being killed the other day. A car passed me at______ I thought was a dangerous speed.
| A．as | B．which | C．what | D．That |
Don’t interrupt me, John. ______ you force me to tell you the truth at the moment?
A. Might B. Must C. Should D Would
Kathy opened her mouth, expecting a candy and then looked puzzled______ she got nothing.
| A．when | B．although | C．so | D．Once |
------ Kate and Lucy are twins.
------ Oh, I ______ why they looked so alike.
| A．wonder | B．have wondered |
| C．was wondering | D．had wondered |