Nowadays,_______of students’ time ______been spent on studies.
| A．three fourths, has | B．three fourths, have |
| C．thirds four, have | D．third fours, has |
The teacherscame for a visit are foreigners.
| A．who | B．whom | C．whose | D．which |
Imy homework, I guess I can't join you.
| A．don't finish | B．didn't finish | C．haven't finished | D．won't finish |
They will lose the gamethey try their best,
| A．unless | B．once | C．since | D．after |
I didn't hear you because Ithe news on the radio.
| A．listen to | B．am listening to | C．listened to | D．was listening to |
A student in my class said to me, " If I our math teacher, Imake math learningeasier and more interesting instead of giving the kids much homework to do every day. "
A. were; wouldB. am; will C. was; could