33．The country has already sent up three unmanned spacecraft, the most recent ---------at the end of last March.

A．has been launched B．having been launched

C．being launched D．to be launched

32．They-------- two free tickets to Canada, otherwise they’d　 never have been able to afford

to go.

A．had got　 B．got

C．have got　 D．get

31．It is nt socially--------- for parents to leave children unattended at that age.

A．accessible B．adorable

C．adaptable D．acceptable

30．---Where did you get to know her?

---It was on the farm-------- we worked.

A．that B．there

C．which D．where

29．---------- I really don’t like art, Ifind his work impressive.

A．As B．Since

C．If D．While

28．I have offered to point the house-------------- a week’s accommodation.

A．in exchange for B．with regard to

C．by means of D．in place of

27．I can’t say which wine is beat-it’s a (n)----------- of personal taste.

A．affair B．event

C．matter D．variety

26．Please remain--------- until the plane has come to a complete stop.

A．to seal　 B．to be seated

C．seating　 D．seated

25．It’s the sort of work that -------a high level of concentration.

A．calls for　 B．makes up

C．lies in　　 D．stands for

24．--------------worries me the way he keeps changing his mind.

A．This　　 B．That

C．What　 D．It