All the students in this school are required to ________ at least two lectures on how to study every month.
| A．attend | B．take part in | C．join in | D．join |
—Congratulations passing your driving test!
—Thank you.
| A．at | B．on |
| C．from | D．In |
According to some scientist , every human being, _____, gives off body heat.
| A．what he is doing | B．however he is doing |
| C．whatever is he doing | D．no matter what he is doing |
The companies are working together to create _____ they hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．who |
How long do you think it will be _____ I can go back to work?
| A．before | B．when | C．until | D．that |
-- I’m frustrated after so many failures. I can’t see any hope.
-- Behind every misfortune _____!
| A．does an opportunity lie | B．is an opportunity lying |
| C．lies an opportunity | D．an opportunity lies |