____you stepped into the lab with your shoes on? You are supposed to take them off before you enter it.
| A．How come | B．How about | C．How dare | D．How long |
He began to take political science _________ only when he left school.
| A．strictly | B．truly | C．carefully | D．seriously |
Yesterday I went to see him, _________ that he had gone abroad two days before.
| A．only to learn | B．to learn only | C．only learned | D．only learning |
. – What are you reading, Tom?
-- I’m not really reading, just ___ the pages.
| A．turning off | B．turning around | C．turning over | D．turning up |
----Sorry, sir! Your flight has taken off five minutes earlier.
----____________. I wasn’t informed of that at all.
| A．You must take charge of it. | B．Wait for your punishment. |
| C．I’d like a refund, please. | D．I won’t agree with that. |
The bank is reported in the local newspaper_____ in broad daylight yesterday.
| A．being robbed | B．having been robbed | C．to have been robbed | D．robbed |