—— I’m sorry the traffic is so heavy.
—— Does that _____ why you are so late?
| A．come across | B．believe in | C．focus on | D．account for |
---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.
| A．that | B．one | C．it | D．the one |
It is uncertain ______ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
| A．that | B．whether | C．how | D．what |
– Which color do you prefer, red or black?
-- Red. For red _____ a sense of energy and strength.
| A．delivers | B．conveys | C．contributes | D．concentrates |
According to our principal, all children should be encouraged to realize their full _______.
| A．consequence | B．entertainment | C．presentation | D．potential |
The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane______ normally.
| A．will function | B．functioned | C．is functioning | D．has functioned |