1) you must cover ....... sockets so that children do not try put anythinh into them A.electrical B.dangerous C.safe D.suitable 2) ..........Was Alexander Graham bell born? he was born in 1847 A.When B.Where C.WHy D.Who 3) Can I speak to lan please? this is hung. A.hello,lan B.hello,hung C.how are you? D.how about tomorrow 4) revision is.........when we learn new words A.necessary B.necessarily C.more necessary D.unnecessary 5) could you do my a favor?................. A.Why B.I'm sorry.I'm really busy C.What can I do for you? D.Bouth B and C are correct 6) hey! lan. how about........to the cinema this afternoon?-OK A.to go B.going C.we go D.go 7) ...........you need any help? yes.that's very kind of you A.do B.may C.can D.Could 8) "Why was Ba late?" "...........he got up late." A.however B.so C.because D.While