Security devices at airports are ______ to spot weapons that could be used by terrorists.
| A．pretended | B．intended | C．demanded | D．declined |
In the middle of the square ______ two stones with a picture of a hero at each top.
| A．has | B．is | C．have | D．are |
Of the first Spanish _______ to California, ______ were religious men, whose ministry was to teach the Catholic religion to the natives.
| A．went; the most | B．went ; most | C．to go; the most | D．to go; most |
When I was doing shopping in the market the other day, I _____ an old friend of mine, who I hadn’t met for twenty years.
| A．came up | B．came over | C．came across | D．came about |
The driver can adjust the heating in winter and the air conditioning in summer to suit his own _______.
| A．preference | B．convenience | C．pleasure | D．favour |
Year 3 Students in our school _______ all kinds of exercises every day in the past eight months.
A. kept busy doingB. keep busy with doing
C. were kept busy doing D have been kept busy with