Scientific experiments __________ by students without the teachers’ instructions can be dangerous.
| A．carry out | B．carrying out | C．carried out | D．carrying |
Swan Lake is a famous ballet in four acts, ________ on a German fairy tale.
| A．basing | B．based | C．bases | D．to base |
In order to change attitudes ________ employing women, the government is bringing in
new laws.
| A．about | B．of | C．towards | D．on |
A man is being questioned in relation to the ________ murder last night.
| A．advised | B．attended | C．attempted | D．admitted |
. ---–I really appreciate _______ to holiday with you on this nice island.
-----It’s my pleasure.
| A．have time | B．having time | C．to have time | D．to having time |
There is no such place ________ you dream of in all this world.
| A．that | B．what | C．which | D．as |