Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.
| A．grow | B．stay | C．appear | D．become |
.(全国卷II 11).Though ______ to see us，the professor gave us a warm welcome。
A. surpriseB was surprisedC. surprisedD. being surprised
(安徽卷30). He had wonderful childhood, _____with his mother to all corners of the word
| A．travel | B．to travel | C．traveled | D．traveling |
.(北京卷21). at my classmates' faces, I read the same excitement in their eyes.
| A．Looking | B．Look | C．To look | D．Looked |
.（北京卷25）. I'm calling to enquire about the position in yesterday's China Daily.
| A．advertised | B．to be advertise d |
C．advertising | D．having advertised |
. In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
:
| A．sticking | B．stuck | C．to be stuck | D．to have stuck |