I’m sorry I _______ your lecture yesterday, but I _____ busy recently. A missed, have been B miss, am C had missed, was D have missed, had been
We _______ in the office.
I’ll help you _______ I don’t sleep for night.
I wonder how much ________.
The _________ look on his face suggested that what the monitor said was ___________.
When the New Year comes, children often ______ and get some gifts.