Tom didn’t go hiking with his classmates ____ his illness.
| A．because | B．because of | C．as | D．since |
—What are your two sisters doing?—They ______ TV.
| A．watch | B．watching | C．are watching | D．watches |
My father ______ me to have a good job after graduation.
| A．hopes | B．makes | C．wishes | D．lets |
—What’s Jim doing?—He ______ a book.
| A．is listening | B．is reading | C．is looking | D．is speaking |
—______ they ______ baseball?—No，they aren't.
| A．Do，play | B．Are，play | C．Are，playing | D．Does，play |
—Where are Jeff and Jack?—They _______ in the river.
| A．are taking a walk | B．are swiming |
| C．are swimming | D．are playing basketball |