According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.

A．reason           B．influence          C．fact              D．cause

It is amazing that the little boy can swim ________the river ________100 meters in width.

A．across; measuring                       B．over; measured

C．across; measure                        D．through; measuring

Nobody but doctors and those _______ by Dr Smith ______ to enter the patient’s room.

A．invited; is allowed                       B．invited; are allowed

C．being invited; is allowed                  D．being invited; are allowed

The study of natural history is not something to be left to biologists. In fact, their capacity _____ the time they can spend away from their offices is very limited.

A．in search of        B．in face of          C．in favour of        D．in terms of

Scarcely ________ ourselves in the theatre when the curtain ______ up.

A．had we seated; went                     B．we had seated; went

C．seated; had gone                       D．did we seated; had gone

He won’t want to eat it unless he’s really hungry, in ______ case he’ll eat almost anything.

A．whose            B．which            C．what             D．when

---Where did you get to know her?

--- It was in Harbin No. 3 High School ______ we studied.

A．that              B．there             C．which            D．where

________ the severe damage caused by the earthquake in Sichuan on April 20^th, 2013, people in the earthquake-stricken areas show great courage and determination.

A．Faced with        B．Faced            C．Facing with        D．Face

--- When shall we restart our business?

--- Not until we _____ our plan.

A．will finish          B．are finishing        C．are to finish        D．have finished

---Why do you pay a visit to your parents ________?

---_______ they live in a remote village far from here.

A．occasionally; Because                    B．every now and then; Since

C．from time to time; Now that               D．once in a while; As