I _______ the dance performance many times, each giving me a new understanding.
| A．watch | B．watched | C．have watched | D．am watching |
You should always exercise, ______ it’s only ten minutes every day.
| A．as if | B．even if |
| C．unless | D．while |
____ large number of children have joined the book club and ____ number is increasing.
| A．A, a | B．A, the |
| C．The, the | D．The, a |
I don’t ______ the price, as long as the house is in good condition.
| A．set down | B．give away |
| C．add up | D．care about |
Mike has dreamed about taking a bike trip for a long time, so he _____ a new bicycle this afternoon.
| A．is buying | B．was buying | C．would buy | D．has bought |
After months of hard work, the building was completed ahead of ______.
| A．journey | B．distance |
| C．schedule | D．insurance |