What worried the child most was _______ to visit his mother in the hospital.
| A．his not allowing |
| B．his not being allowed |
| C．his being not allowed |
| D．having not been allowed |
Favorable policies are ________ to encourage employees' professional development.
| A． |
in effect |
B． |
in command |
C． |
in turn |
D． |
in shape |
Nowadays the ________ for travelling is shifted from shopping to food and scenery.
| A． |
priority |
B． |
potential |
C． |
proportion |
D． |
pension |
Scientists have obtained more evidence ________ plastic is finding its way into the human body.
| A． |
what |
B． |
that |
C． |
which |
D． |
where |
More wind power stations will ________ to meet the demand for clean energy.
| A． |
take up |
B． |
clear up |
C． |
hold up |
D． |
spring up |
The doctor shares his phone number with the patients ________ they need medical assistance.
| A． |
if only |
B． |
as if |
C． |
even though |
D． |
in case |