Worried about the time ________， Mary had made a list of the sites she wanted to see in Beijing.
| A．adequate | B．available |
| C．avoidable | D．accessible |
The comedy actor, _____ only 55 kilos but ____ in a heavy oversized coat , looked funny enough to make all the audience laugh.
| A．weighed; dressed | B．weighed; dressing |
| C．weighing; dressed | D．weighing; dressing |
______ bright a talker you are, there are time when it’s better to remain silent.
| A．Whatever | B．However | C．Whenever | D．Whoever |
—Have your read the article A Dirty Beijing, which is about air pollution?
—Yes. It’s highly informative. I _____no idea that the PM2.5 there sometimes reached 300.
| A．have | B．had | C．will have | D．would have |
—What do you think of being a volunteer, John?
—I find it a stressful job but one ___ you can really help people.
| A．where | B．which | C．when | D．that |
—Is there anything wrong, Bob? You look sad.
—Oh, nothing much. In fact , I ____ of my friends back home.
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |