Whatever you do, we are always ________ your side.
| A．on | B．at | C．for | D．with |
_________the fact that his first experiments had failed, Prof. Smith persisted in his research.
| A．Although | B．Regardless | C．In spite of | D．In views of |
So involved with computer games________that teachers at summer computer camps often have to
force them to break for sports and music.
| A．became the children | B．become the children |
| C．had the children become | D．do the children become |
Living alone in the central desert in Australia has its problems, _________obtaining water is not the least.
| A．of which | B．for what | C．as | D．whose |
Tom appreciated_________the good chance to study in Oxford since he graduated from No. 4 High School in Shenyang.
| A．having been given | B．having given | C．having been giving | D．to have given |
Let’s make contributions to_________world of the 21st century, _________world of success and understanding each other.
| A．the;/ | B．/;a | C．a; the | D．the; a |