________ you don’t know is that I spend ________ little time I had with my kids.
| A．That; that | B．What; how | C．What; what | D．That; how |
Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
Is _______ some German friends visited last week?
| A．this school | B．this the school | C．this school one | D．this school where |
-- We are going to hold a sports meeting tomorrow.-- __________ it rains?
| A．How about | B．What if | C．If only | D．Even if |
She was scared _______ when hearing the sound of explosion.
| A．to death | B．death | C．of death | D．with death |
—Are you going to take part in the speech contest?
— ___________. It’s too good an opportunity to miss.
| A．No problem! | B．That’s for sure. | C．Why me? | D．Why bother? |