The man put out the cigarette when _______ that smoking was not allowed on the train.
A．reminding B．reminded C．to remind D．being reminded
Cherry was afraid she wouldn’t fit in at her new school, ______ she made friends quickly.
A．for B．so C．and D．but
With the rise of modern communication tools, handwritten letters ______ by emails.
A．will replace B．have replaced C．are replaced D．are being replaced
---Have you seen Jane this week?
---No, but I ________ her call on my way to work this morning.
A．received B．have received C．had received D．was receiving
______ well, you need to have a good sense of balance.
A．Danced B．To dance C．Dance D．Dancing
I ________ be a little bit slow, but at least I don’t make stupid mistakes.
A．should B．may C．must D．need
