Regarding China-US differences on human rights issues, Hong said the two sides can enhance mutual understanding through dialogue ______ on equality and mutual respect.
| A．based | B．to base | C．basing | D．base |
Tipping is neither encouraged nor common, although visitors may reward special services if they wish, _________ 10% of the bill is enough.
A which B where C in whichD in which case
Though ______ to see us，the professor gave us a warm welcome。
A. surprise B was surprised C. surprised D. being surprised
—Have you finished the book？
-- No. I’ve read up to _____ the children discover the secret cave.
| A． which | B． what | C． that | D．where |
Barbara is easy to recognize as she’s the only of the women who ____ evening dress.
| A． wear | B． wears | C． has worm | D． have worm |
My mother opened the drawer to _________ the knives and spoons.
| A． put away | B． put up | C． put on | D．put togeth er |