—Please ________ to return my book by Friday．I’ll use it on Saturday．
—No problem．I’ll finish reading it on Thursday．
| A．don’t forget |
| B．not to forget |
| C．not forget |
| D．forget not to |
—Why does Sally look so unhappy?
—It’s a bad morning for her. When she got off the bus, sheshe had left her purse on it.
| A．realized | B．thought | C．hoped | D．believed |
It is dangerous for teenagers to give out too muchabout themselves on the Internet.
| A．information | B．questions | C．ideas | D．knowledge |
—Is John coming by train?
—He should, but henot. He likes driving his car, but I’m not quite sure.
| A．must | B．can | C．may | D．need |
—Mum, can I go shopping with Gina?
—Well, If I were you, Ihomework first.
| A．will do | B．have to finish | C．must finish | D．would do |
We should obey the traffic rules in order to keep ourselves .
| A．save | B．safe | C．safely | D．safety |