—Mom, can I go out and play with my friends now?
—No, honey, you can’t _____ you haven’t recovered from the knee injury.
| A．until | B．before | C．as | D．unless |
What we have said ________ her so happy.
| A．makes | B．to make | C．made | D．has made |
What have we said _______ her so happy?
| A．makes | B．to make | C．made | D．has made |
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |
The picture _______ on the wall is painted by my nephew.
| A．having hung | B．hanging | C．hangs | D．being hung |
The lady said she would buy a gift for her daughter with the ________.
| A．20 dollars remained | B．20 dollars to remain |
| C．remained 20 dollars | D．remaining 20 dollars |