Children find_____difficult to sit for hours with little to do while flying.
| A．which | B．this | C．that | D．it |
I just wonder ____ that delights the whole family so much.
| A．what it is | B．what he does | C．how it is | D．how he does |
Yesterday evening I came across the man _____ you think is pleased to _____.
| A．who, talk | B．whom, get along with | C．who, work with | D．whom, be talked with |
Both the soldier and the horse ______ after the long ride.
| A．gave out | B．worn out | C．tested out | D．ran out |
The hearings and comments often help managers avoid harmful decisions, leading them toward more _______ choices.
| A．useful | B．beneficial | C．important | D．influential |
The new teacher was very quick to _________ the rules of the school
| A．adapt to | B．addict to | C．concentrate on | D．depend on |