The chemistry teacher required the students _______ more attention _______ the lab clean.
| A．to pay, to keep | B．to paying, to keeping | C．to pay, to keeping | D．paying, keeping |
My friend, David, was not used __________ by air, so he felt unwell.
| A．to traveling | B．to travel | C．traveling | D．travel |
The naughty boys would play ______trick on ______ neighbours who didn’t give them any sweets on Halloween.
| A．a; 不填 | B．a: the | C．the; 不填 | D．不填; the |
Although he is very young, he is much more experienced than others _____ working ability.
| A．in praise of | B．in terms of | C．in need of | D．in search of |
The three-year-old girl’s behaving _____ at the table surprised all the other guests and won her a lot of kisses.
| A．normally | B．abruptly | C．apparently | D．properly |
The fact that too many advertisements are _____ in TV programs has upset most TV viewers.
| A．surrounded | B．carved | C．inserted | D．circulated |