—Where did you get this book?
—I picked it up from a second-hand bookshop if you ______know.
| A． must | B．will | C．can | D．shall |
—Can those at the back of the classroom hear me?—No problem, sir !
| A．seat | B．seating | C．seated | D．sit |
to sunlight for too much time will do harm to your skin.
| A．Exposed | B．Having exposed |
| C．Being exposed | D．After being exposed |
I don’t think it to stay up late in the night and sleep until midday the next day.
| A．make a difference | B．makes good sense |
| C．makes trouble | D．make profit |
The hotel in the town wasn’t particularly good, but I in many worse hotels.
| A．was staying | B．stayed | C．would stay | D．had stayed |
seems to be a strong competition for students to enter a key university.
| A．It | B．There | C．What | D．That |