Choose the best answer to complete each of the following sentences.
“It_______ rain this evening. Why don’t you take an umbrella?” – “That is a good idea. May I borrow yours?”
A.had better
B.could be
C.must
D.migh

What is the main idea of the passage?
A.Tides are influenced more by Moon than by the Sun.
B.Tides are  a natural phenomenon but are not natural disaster .
C.Tides always occur over water and are usually predictable.
D.Tides are a phenomenon mainly caused by forces of gravity.

Mark the letter A, B, C or D to show the underlined part that needs correction.
Please arrive early so that we were able to start the meeting on time.
A.early
B.so that
C.were able
D.on time.

(45)..................
A.planning
B.preparing
C.practising
D.organising

(44).....................
A.insist
B.wait
C.ask
D.expect

(43)...................
A.native
B.resident
C.local
D.national

(42)....................
A.soon   
B.far      
C.well
D.long

(41) .....................
A.occupy
B.work
C.employ
D.staff

(40).......................
A.function
B.use
C.aim     
D.purpose

(39)..................
A.to
B.for
C.at
D.in