________ two exams to worry about, I have to work really hard this weekend．

A．With

B．Besides

C．As for

D．Because of

I ________ if I might open the window ________．

A．said to him; there

B．asked him; there

C．asked to him; here

D．said to him; here

I don't think ________ possible to master a foreign language without much memory work．

A．this

B．that

C．its

D．it

Mr．Smith told his students that Edison ________ the electric light．

A．invents

B．had invented

C．invented

D．has invented

The reporter said that the UFO ________ east to west when he saw it．

A．was traveling

B．traveled

C．had been traveling

D．was to travel

Someone is ringing the doorbell．Go and see ________．

A．who is he

B．who he is

C．who is it

D．who it is

You are saying that everyone should be equal, and this is ________ I disagree．

A．why

B．where

C．what

D．how

I work in a business ________ almost everyone is waiting for a great chance．

A．how

B．which

C．where

D．that

The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, ________ meant spending tens of thousands of pounds．

A．who

B．that

C．as

D．which

I don't like ________ you speak to her．

A．the way

B．the way in that

C．the way which

D．the way of which