—Do you often talk with your friends on the telephone or mobile phone?—________.I like using QQ.
---Is there anything else I can do for you, Jack? --- No, thanks. I really appreciate ______ when you lent all your notes to me before the exam.
It is uncertain ______ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
– Which color do you prefer, red or black? -- Red. For red _____ a sense of energy and strength.
According to our principal, all children should be encouraged to realize their full _______.
The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane______ normally.