It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.
| A．that | B．what | C．how | D．whether |
New traffic rule says: “Whoever drives _____ a red light will be punished severely!”
| A．across | B．through | C．over | D．by |
“What are you busy for?”—This is a question we very often get _____ nowadays.
| A．asking | B．being asked | C．asked | D．to ask |
—What should I wear to attend our class day?
—Dress ____ you like.
| A．what | B．however | C．whatever | D．that |
—Health goes ahead of everything.
—Yes. Keeping _____ balanced diet is good for ____ health.
| A．the; / | B．a; the | C．the; the | D．a; / |
―Hey, you haven’t been acting like yourself. Everything is OK?
―_________.
| A．Sure, it is | B．I’m fine, thanks |
| C．That’s good | D．It’s a pleasure |