Today, computers are really helpful. They ______ everywhere.

A.use B.are used C.used D.were used

My mother _____ some washing when the telephone rang yesterday evening.

A.does B.did C.will do D.was doing

It’s nice to see you again. We ______ each other for a long time.

A.didn’t see B.haven’t seen C.won’t see D.don’t see

— Tom, what’s your dad doing?

— He      my bike.

A.repairs B.will repair C.has repaired D.is repairing

Harry enjoys reading books, and he often ______ a whole day in the library.

A.spends B.spent C.is spending D.will spend

David is a tennis player. He _____ to play tennis when he was six.

A.begins B.will begin C.began D.has began

— ______ has Max practiced playing the piano?  

—For about two hours.

A.How long B.How often C.How much D.How many

Zhong Nanshan is one of ______ scientists in China. He is my hero.

A.famous B.more famous C.most famous D.the most famous

I was very tired last night, ______ I went to sleep earlier.

A.so B.or C.because D.but

My uncle will go to Shanghai on business ______ June.

A.on B.in C.at D.for