_____ life will continue on the earth for millions of years to come will depend on ______this problem can be solved.
| A．Whether; that | B．That; why | C．Thathow | D．Whether; whether |
I don’t know who invented ________ telephone. It’s really ________ most useful invention.
| A．the; a | B．/; a | C．a; the | D．/; the |
----Whose advice do you think I should take?
----________.
| A．It doesn’t matter | B．That’s it | C．It’s up to you | D．Either is OK |
——Will you require anything else?
——Yes, I like a whisky.
| A．will | B．shall | C．should | D．might |
What worried the child most was ______ to visit his brother n hospital.
| A．his not being allowed | B．his not allowing |
| C．his being not allowed | D．having not been allowed |
Free medical treatment in this country covers sickness of mind as well as ________ sickness.
| A．normal | B．average | C．regular | D．ordinary |