The classroom is almost empty, where is _____?
| A．someone | B．anyone | C．everyone | D．no one |
----Look! Where are you going? ---Sorry. I _______________.
| A．wasn’t noticing | B．am not noticing. | C．don’t notice. | D．haven’t noticed |
________ was most important to her was her family.
| A．What | B．Which | C．As | D．It |
All of us found ______ difficult to work out the maths problem.
| A．what | B．that | C．which | D．it |
By the time these books were published, he _____ addicted to them.
| A．had become | B．becomes | C．has become | D．became |
I’m fine — I just felt a bit sleepy and tired, that was ________ I went to bed so early."
| A．because | B．when | C．that | D．why |