She heard a song____ was full of feelings of happiness.（ ）
| A． |
which |
B． |
who |
C． |
what |
Mother is the person ______ is always there for you.
| A．who | B．which | C．whom | D．whose |
—Hey, Molly. You ______ on the phone just now.
—Oh, I was in the library.
| A．wanted | B．are wanted |
| C．were wanted | D．have wanted |
—Do you think the rain will stop tomorrow ?
—I hope so. It ______ for three days. It's too bad.
| A．rained | B．has rained |
| C．had rained | D．rains |
—Whose T—shirt is this? Is it John's?
—It ______ be his. It's too small for him.
| A．can't | B．may | C．must | D．needn't |
—What do you often do ______ classes?
—We often do eye exercises, do some running or talk with our friends.
| A．in | B．among | C．between | D．through |