Apart from the bus arriving late, ________ else seemed to be going according to plan．

A．everything

B．nothing

C．something

D．anything

These years new technology ________ to solving problems in our learning process．

A．applied

B．has applied

C．was applied

D．is being applied

We put our books in the bookcase to keep them ________ of dust．

A．empty

B．free

C．aware

D．short

Please do me a favor-Call Dr．Smith and ________ him to join us for the picnic tomorrow．

A．to invite

B．inviting

C．invite

D．invited

Tell me the answer please; I ________ over this question for weeks now．

A．puzzle

B．puzzled

C．had puzzled

D．have been puzzling

Today we'll discuss some cases ________ parents have difficulty in communicating with their kids．

A．which

B．whose

C．where

D．why

Facing the poor grades, Maria is wondering what it ________ to learn English well．

A．takes

B．uses

C．makes

D．prepares

“Well done，John!Not a single mistake________in your exam paper this time!”said the teacher．

A．you made

B．you have make

C．had you made

D．did you make

They found the remains of buildings________under the sand，together with a lot of treas ures．

A．being buried

B．buried

C．to be buried

D．burying

Standins there，I could almost smell the rain coming．And it did．Suddenly the lightning flashed through the clouds，nearly________me．

A．having blinded

B．blinded

C．blinding

D．to blind