巩固练习：
1．Because of my poor English I'm afraid I can't make myself ____． （MET1979）
A．understand B．to understand C．understanding D．understood
2．What's the language ____ in Germany？（MET1983）
A．speaking B．spoken C．be spoken D．to speak
3．____ some officials，Napoleon inspected his army．（MET1984）
A．Followed B．Followed by
C．Being followed D．Having been followed by
4．Most of the people ____ to the party werefamous scientists．（MET1987）
A．invited B．to invite C．being invited D．inviting
5．He was disappointed to find his suggestions ____．（MET1988）
A．been turned down B．turned down
C．to be turned down D．to turn down
6．Most of the artists ____ to the party were from South Africa．（MET1990）
A．invited B．to invite
C．being invited D．had been invited
7．____ more attention，the trees could have grown better．（MET1990）
A．Given B．To give C．Giving D．Havinggiven
8．The first textbooks ____ for teaching English as a foreign language came out in the 16th century．（NMET1994）
A．having written B．to be written C．being written D．written
9．The Olympic Games，____ in 776B．C．，did not include women players until 1912．（NMET1997）
A．first playing B．to be first played
C．first played D．to be first playing
10．____ in 1636，Harvard is one of the most famous universities in the United States．（2000上海高考）
A．Being founded B．It was founded C．Founded D．Founding
11．When____ ，the museum will be open to the public next year．（2002上海春招）
A．completed B．completing
C．being completed D．to be completed
12．The research is so designed that once ____ nothing can be done to change it． （NMET2002）
A．begins B．having begun C．beginning D．begun
13．Mr．Smith，____ of the speech，started to read a novel．（2003北京春招）
A．tired；boring B．tiring；bored C．tired；bored D．tiring；boring
14．Friendship is like money，easier made than ____．（2003上海春招）
A．kept B．to be kept C．keeping D．being kept
15．Unless ____ to speak，you should remain silent at the conference．（2003上海春招）
A．invited B．inviting C．being invited D．having invited
keys：1—5DBBAB 6—10AADCC 11—15ADAAA
