The operation room in every hospital has to _______bacteria of any kind so that the patient being operated on doesn’t get infected.
| A．keep free from | B．make it free from | C．to be made free with | D．be kept free from |
You ______ pay much attention to your reading skill. It’s so important.
| A．can | B．would | C．may | D．should |
Get dressed quickly, _____ you’ll be late for school.
A. so B. and C. or D but
I find _______important to know about the culture when learning a language.
| A．this | B．which | C．what | D．it |
— Do you know where Kate is?
— No, I don’t. I______ her since last week.
| A．didn’t see | B．haven’t seen | C．won’t see | D．don’t see |
–what did you do after school yesterday? --I_____ basketball with my friends.
| A．play | B．played | C．will play | D．am playing |